JP5022388B2 - Binding tool - Google Patents

Description

  The present invention relates to a binding tool, and more particularly to a binding tool used as, for example, a ring binder or a file.

As a conventional binding tool as a background of the present invention, there is a binding tool disclosed in International Publication No. 2008/093434.
The binding tool includes a binding ring, a holding member having a length capable of providing the binding ring at an interval, and each binding ring being fixed to the surface at an interval at the base portion, so that the binding ring is held. A binding device comprising an operating member movably fixed inside the holding member so as to be fixed to the member, wherein the operating member moves in the longitudinal direction of the holding member within the holding member. It consists of a piece, one base of the binding ring is fixed to one working piece, and the other base of the binding ring is fixed to the other working piece. An opening / closing member that moves in the direction and changes the opening in the binding ring so as to be held in a direction approaching the inner surface of the holding member is provided.

International Publication No. 2008/093434

  However, in the conventional binding tool, it is necessary to smoothly operate the operating member when opening and closing the binding ring. Therefore, when a heavy binding object is bound to the binding rod, if a strong impact is applied, There is a possibility that the locking portion of the closed staple is released due to the weight. In particular, when the binding is D-shaped, when a file cover is placed on a file cover, the binding object such as a document is bound only on one side (right side) of the binding. Because the binding on the side of the binding is easy to disengage, the engagement portion of the front end of the binding is likely to come off, and many objects to be bound are often bound. Rise.

  Therefore, a main object of the present invention is to provide a binding tool that can make it more difficult to remove a closed binding ring.

A binding device according to a first aspect of the present invention includes a binding ring including one binding member that can be freely opened and closed and the other binding member, and a length that allows the plurality of binding rings to be provided at intervals. When the pair of operation pieces, which are separately fixed to the holding member and the one binding member and the other binding member so as to extend from the surface side, open and close the binding ring, in the holding member, A binding tool comprising an actuating member and an opening / closing member fixed to the actuating member, wherein the binding ring is configured to be held movably alternately in the length direction of the holding member , The binding ring locking portion at the front end of one binding member and the binding ring locking portion at the front end of the other binding member are locked with the movement of the pair of operating pieces of the operating member and closed in an annular shape. And one binding member and the other binding member are moved in opposite directions, Flip remove the engagement between the binding ring latching portion and binding ring latching portion at the distal end of the other binding member of the tip of the member, it is configured to open the binding rings, the retaining member, and the one binding member One through-hole and the other through-hole for freely passing through the other binding member at an interval correspond to the one binding member and the other binding member in the width direction of the holding member. One through hole is formed in a direction in which the binding ring locking portion locked by one binding member is released when the binding ring is formed at intervals and closed at the binding ring locking portion. The other binding member is formed in such a manner as to restrict the movement of one binding member to the other, and the other through-hole is in the direction in which the binding ring locking portion locked on the other binding member is locked. The actuating member is formed on one actuating piece with one of the binding rings. The base of the binding member is fixed, the other operating piece is fixed base of the other binding member of the binding rings, when the one operating piece and the other operating piece is closed the binding ring, whereas One of the working pieces and the other working piece are fixed to the holding member in a state where the butted edges are butted so that the binding ring locking portion of the binding member and the other binding ring locking portion of the binding member are locked. Is formed with a movement restricting portion for restricting the movement of one working piece and the other working piece in the length direction, and the movement restricting portion is formed by a restricting recess and a restricting protrusion formed at a butt edge of one actuating piece. and parts, are formed from the other of the operating pieces of the butt restricting recess and limiting protrusion formed on the edge, and binding ring latching portion of the binding ring latching portion and the other binding member of one of the binding members of the binding ring when the closed locked, restricting recess of one of the operating pieces, one of the binding Towards the binding ring latching portion side of one of the binding member binding ring latching portion which is engaged in the member is a direction deviating as the other binding member permits to move, regulation of the other operating piece This is a binding tool formed to a length that allows the movement of the convex portion.
According to a second aspect of the present invention, there is provided a binding tool including a binding ring including one binding member that can be freely opened and closed and the other binding member, and a length that allows the plurality of binding rings to be provided at intervals. When the holding member provided and a pair of operating pieces in which one binding member and the other binding member are separately and independently fixed so as to extend from the surface side open and close the binding ring, A binding device comprising an actuating member formed to be movable in the length direction of the holding member, and an opening / closing member fixed to the actuating member, wherein the holding member is One through-hole and the other through-hole for allowing the binding member and the other binding member to pass through at an interval correspond to the one binding member and the other binding member. At the interval in the width direction of the When stopped and closed, one through hole is formed so as to restrict one binding member from moving in a direction in which the binding ring locking portion locked by one binding member is released, The other through hole is formed so as to allow the other binding member to move in a direction in which the binding ring locking portion locked on the other binding member is locked, The base of one binding member of the binding ring is fixed to the operating piece, the base of the other binding member of the binding ring is fixed to the other operating piece, and the one operating piece and the other operating piece are connected to each other. When the ring is closed, the binding edge of the one binding member is fixed to the holding member in a state where the butting edges are abutted so that the binding ring latching portion and the other binding ring latching portion are latched. The working piece and the other working piece are the length of one working piece and the other working piece. A movement restricting portion for restricting movement in the direction is formed, and the movement restricting portion is formed at the butting edge of the other working piece and the regulating recess and the regulating convex portion formed at the butting edge of one working piece. When the binding ring is closed at the binding ring locking part, the regulation concave part of one working piece is the other in the direction in which the binding ring locking part locked by the binding member is released. The binding member is formed to have a length allowing the movement of the restricting convex portion of the other operating piece so as to allow the binding member to move, and the front side edge of the one through hole and the front side edge of the other through hole Is a binding tool in which the position of the holding member in the length direction is changed, and the near side edge of one through hole is located on the far side of the near side edge of the other through hole.
According to a third aspect of the present invention, the restriction recess is a U-shaped notch that is recessed in the width direction from the butt edge, and the restriction protrusion is formed so as to be loosely fitted to the restriction recess. The projection is a U-shaped projection in plan view, and the regulation projection is loosely fitted in the regulation recess, so that the one operation piece and the other operation piece move alternately in the length direction in the regulation recess. It is a binding tool of Claim 1 or Claim 2 currently formed.
According to a fourth aspect of the present invention, when the binding ring is twisted and the binding ring is opened when the binding ring is closed, one binding member engages the binding ring locking portion. In order for the other binding member to move to the front side which is the removal side and the other binding member to move to the other side which is the side from which the engagement of the binding ring locking portion is disengaged, one through hole inserted through one binding member is The other binding hole formed to allow movement of one binding member, the other through-hole inserted through the other binding member is formed to allow movement of the other binding member, and the movement restricting portion is The binding member is formed so as to allow movement of one binding member, and is formed so as to allow movement of the other binding member, and the binding ring engaging portion of one binding member by the binding object is connected to the binding ring. If an overload is applied only in the direction of The one through hole formed is formed so as to stop the movement of one binding member that has moved to the side where the engagement of the binding ring locking portion of one binding member is disengaged, and the other binding member is inserted therethrough. The other through hole is formed so as to allow the other binding member to move further toward the one binding member that has stopped, and the movement restricting portion of the binding ring locking portion of the one binding member. The binding device according to any one of claims 1 to 3, wherein the binding device is formed so as to allow the other binding member to move further toward the one binding member moved to the disengagement side. It is.

According to the present invention, a binding ring provided with one binding member that can be freely opened and closed and the other binding member, a holding member having a length capable of providing the plurality of binding rings at intervals, and a surface When the pair of operating pieces, which are separately fixed to the one binding member and the other binding member so as to extend from the side, open and close the binding ring, the length direction of the holding member is within the holding member. to the formed so as to be alternately movably held, and the actuating member, and a closing member fixed to the actuating member, a binding device, the binding ring, the tip of one of the binding member The binding ring locking portion of the other binding member and the binding ring locking portion at the tip of the other binding member are locked with the movement of the pair of operating pieces of the operating member so as to be closed annularly, and one binding Move the member and the other binding member in the opposite direction, Flip remove the engagement between the binding ring latching portion at the distal end of the ring engaging portion and the other binding member, is configured to open the binding rings, the holding member, and one of the binding members and the other binding member One through-hole and the other through-hole are provided in the width direction of the holding member at intervals in the width direction corresponding to the one binding member and the other binding member. When the binding ring is locked and closed at the binding ring locking portion, the one through hole is connected to the one binding member in the direction in which the binding ring locking portion locked by the one binding member is released. The other through-hole is configured to prevent the other binding member from moving in the direction in which the binding ring locking portion locked to the other binding member is locked. is formed so as allowable, the operation member is a group of one of the binding member of the binding rings on one operating piece There are fixed, the other operating piece is fixed base of the other binding member of the binding rings, when the one operating piece and the other operating piece is closed the binding ring, binding of one binding member In a state where the butting edges are butted so that the ring latching portion and the other binding ring latching portion are latched, the one operating piece and the other working piece are operated by one A movement restricting portion that restricts the movement of the one and the other operating piece in the length direction is formed, and the movement restricting portion includes a restricting concave portion and a restricting convex portion formed at a butt edge of the one actuating piece, and the other is formed from the butt restriction recessed portion and the restricting protrusion formed on the edge of the operating piece, the binding ring engages the binding ring latching portion of the binding ring latching portion and the other binding member of one of the binding member when closed, restricting recess of one of the operating pieces were engagement of one of the binding member Permit movement of the restricting convex portion of the other operating piece so as to allow the other binding member to move toward the binding ring locking portion side of one binding member, which is the direction in which the binding ring locking portion is released. Since it is formed in the length which can be performed, the binding tool which can make it hard to remove | release a more closed binding ring can be provided.
According to invention of Claim 2, the binding ring provided with one binding member which can be opened and closed, and the other binding member, and the holding member provided with the length which can provide these binding rings at intervals When the pair of operating pieces, which are separately fixed to the one binding member and the other binding member so as to extend from the surface side, open and close the binding ring, the holding member A binding tool comprising an actuating member formed so as to be movable in a length direction and an opening / closing member fixed to the actuating member, wherein the holding member includes one binding member One through-hole and the other through-hole for freely passing through the other binding member at an interval correspond to the one binding member and the other binding member in the width direction of the holding member. Drilled at intervals, the binding ring is locked at the binding ring locking portion and closed. One through hole is formed so as to restrict the movement of one binding member in the direction in which the binding ring locking portion locked by one binding member is released, and the other through hole Is formed so as to allow the other binding member to move in a direction in which the binding ring locking portion locked on the other binding member is locked, and the operating member is provided on one operating piece. The base of one binding member of the binding ring is fixed, the base of the other binding member of the binding ring is fixed to the other operation piece, and the one operation piece and the other operation piece close the binding ring Sometimes, the binding edge of the one binding member is fixed to the holding member in a state where the butting edges are butted so that the binding ring latching portion and the other binding ring latching portion of the binding member are locked, The other operating piece moves in the length direction of one operating piece and the other operating piece. The movement restricting portion is formed of a restricting recess and a restricting convex portion formed at the butting edge of one working piece, and a restricting recess and restricting formed at the butting edge of the other actuating piece. When the binding ring is closed at the binding ring locking portion, the restriction recess of one of the operating pieces is formed so that the other binding member is in a direction in which the binding ring locking portion locked by the binding member is released. In order to allow movement, it is formed to a length that allows movement of the restricting convex portion of the other operating piece, and the front side edge of the one through hole and the front side edge of the other through hole are held. Since the position in the length direction of the member is changed and the front side edge of one through hole is positioned on the far side from the front side edge of the other through hole, one binding member constituting the binding ring The binding ring locking of the other binding member to the binding ring locking part of It is possible to prevent the part from biting in and to prevent the more closed binding ring from coming off unexpectedly.
According to the invention of claim 3, the restriction recess is a U-shaped notch in a plan view that is recessed in the width direction from the butt edge, and the restriction protrusion is formed so as to be loosely fitted to the restriction recess. It is a U-shaped protrusion, and is formed so that the regulation projection is loosely fitted in the regulation recess, and one working piece and the other working piece move alternately in the length direction in the regulation recess. Therefore, it is possible to prevent the binding ring locking portion of the other binding member from biting into the binding ring locking portion of one binding member constituting the binding ring, thereby preventing the more closed binding ring from being unexpectedly detached. be able to.
According to the invention of claim 4, when the binding ring is twisted and the binding ring is opened when the binding ring is closed, one binding member is a side on which the engagement of the binding ring locking portion is disengaged. In order to move to the front side and the other binding member to move to the other side, which is the side from which the binding ring engaging portion is disengaged, one through hole inserted through one binding member is The other through hole formed so as to allow the movement of the member and inserted through the other binding member is formed to allow the movement of the other binding member, and the movement restricting portion includes the one binding. A direction formed so as to allow movement of the member, to allow movement of the other binding member, and to disengage the binding ring engaging portion of one binding member by the binding object from the binding ring When an overload is applied only to one of the binding members, The through hole of the one binding member is formed so as to stop the movement of one binding member that has moved to the side where the engagement of the binding ring locking portion of one binding member is disengaged, and the other penetration member inserted through the other binding member The hole is formed so as to allow the other binding member to move further toward the one binding member that has stopped, and the movement restricting portion engages the binding ring locking portion of the one binding member. Since it is formed to allow the other binding member to move further toward the one binding member that has moved to the removal side, the one operating piece and the other operating piece abut at the butt edge. In this state, the binding ring can be reliably and smoothly moved and the binding ring can be opened and closed.

  The above-mentioned object, other objects, features, and advantages of the present invention will become more apparent from the following description of the best mode for carrying out the invention with reference to the drawings.

It is a perspective view which shows the file using the binding tool which is one Embodiment concerning this invention. It is a perspective view which shows an example of the binding tool which is one Embodiment concerning this invention. It is a perspective view of a holding member. It is a perspective view solution figure of an operation member and an opening-and-closing member. It is a top view of an opening-and-closing member. It is a side view solution figure of an opening-and-closing member, (A) is a side view solution figure of the original state, (B) (C) is a side view solution figure of the state where force was applied to the circumference direction of a coil part. It is a top view solution figure which shows the binding ring and the action | operation member in the closed state. It is a left side solution figure which shows the binding ring and the operation member in the closed state. It is a front illustration solution figure which shows the binding ring and the action | operation member in the closed state. It is a bottom view solution figure showing a binding ring and an operation member in a closed state. It is a top view solution figure which shows the relationship between a binding ring and the through-hole of a binding member. It is a top view solution figure of the binding tool in the closed state. It is a bottom view of the binding tool in the closed state. 9A is a cross-sectional view of the binding device in a closed state, FIG. 9A is a cross-sectional view of FIG. 9A-A, and FIG. 9B is a schematic cross-sectional view of FIG. 9B-B. It is a bottom view of a binding tool which shows the state which opens a binding ring. It is an illustration figure of the binding ring of the binding tool which shows the state which opens a binding ring. It is a top view solution figure of the binding tool in the open state. It is a bottom view solution figure of a binding tool which shows an open state, (A) is a bottom view solution figure of a binding tool which has almost opened, and (B) is a bottom view solution figure which has finished opening. 14A and 14B are cross-sectional views of the binding device in an open state, FIG. 14A is a cross-sectional view of FIG. 14A, and FIG. 14B is a schematic cross-sectional view of FIG. It is an illustration figure which shows the latching | locking part of a binding ring, (A) is a top view solution figure, (B) is an AA cross-section solution figure of (A), (C) is a front view solution figure. It is. It is an illustration figure which shows the latching | locking part of a binding ring, (A) is a side view solution figure, (B) is a BB cross-section solution figure of (A). It is an illustration figure of a binding ring which shows the state which binds a binding ring, (A) is a top illustration solution figure, (B) is a front illustration solution figure. It is an illustration figure of a binding ring which shows the state which binds a binding ring, (A) is a top illustration solution figure, (B) is a front illustration solution figure. It is an illustration figure of a binding ring which shows the state which binds a binding ring, (A) is a top illustration solution figure, (B) is a front illustration solution figure. It is an illustration figure of a binding ring which shows the state which binds a binding ring, (A) is a top illustration solution figure, (B) is a front illustration solution figure. It is an illustration figure which shows the formation method of a holding member, (A) is a side view solution figure of a holding member, (B) is a bottom view solution figure. It is a bottom view solution figure which shows the formation method of a holding member. It is a bottom view solution figure which shows the formation method of the modification of a holding member. FIG. 24A is a view in the direction of the arrow. It is a bottom view solution figure which shows the modification of an action | operation member. It is sectional drawing solution figure which shows the modification of an operation member. It is a perspective view solution figure in the state where the cover was closed. It is a side view solution figure in the state where the cover was closed. It is a cross-sectional solution figure in the state which closed the cover. It is an illustration figure which shows the modification of a binding ring, (A) is a top view solution figure, (B) is a front view solution figure. It is a perspective view which shows an example of the binding tool which is another embodiment. It is a top view which shows an example of the binding tool which is another embodiment. It is a bottom view of the whole binding tool shown in FIG. (A) and (B) are the bottom views which expanded a part of FIG. (A) is a side view of the binding tool shown in FIG. 32, and (B) is a cross-sectional view of the binding ring of the binding tool shown in FIG. It is a perspective view which shows an example of the binding tool which is another embodiment. It is a top view which shows an example of the binding tool which is another embodiment. It is a bottom view of the whole binding tool shown in FIG. (A) (B) is the bottom view to which a part of FIG. 39 was expanded. (A) is a side view of the binding tool shown in FIG. 37, and (B) is a sectional view of the binding ring of the binding tool shown in FIG. It is a bottom view of the binding tool in the closed state. It is a cross-sectional view of the binding device in the closed state, and (A) is a cross-sectional view of FIG. 9A-A. It is an illustration figure of the binding ring of the binding tool which shows the state which opens a binding ring. It is a bottom view solution figure of the binding tool which shows the open state. It is a cross-sectional view of the binding device in the open state, and (A) is a cross-sectional view of FIGS. It is an illustration figure which shows the latching | locking part of a binding ring, (A) is a top view solution figure, (B) is a perspective view solution figure. It is an illustration figure which shows the latching | locking part of a binding ring, (A) is an illustration figure direction of FIG. 15A, (B) is an I direction arrow illustration solution figure of (A), (C) is ( FIG. 15A is an illustrative view taken along the direction of arrow II in FIG. 15A, FIG. 15D is an illustrative view taken in the direction of arrow B in FIG. 15E, FIG. ) Is a schematic illustration in the direction of arrow IV. It is an illustration figure in the state which opened the binding ring, (A) is a top illustration figure, (B) is a plan illustration figure of the vicinity of the engaging part of a binding ring. It is an illustration figure in the state which started closing the binding ring, (A) is a top view illustration figure, (B) is a plan view illustration figure of the vicinity of the engaging part of a binding ring. It is an illustration figure in the state which has begun to open a binding ring, (A) is a top illustration figure, (B) is a plan illustration figure of the vicinity of the engaging part of a binding ring. It is an illustration figure in the state where the binding ring was closed, (A) is a top view solution figure, and (B) is a top view solution figure near the engaging part of a binding ring. It is explanatory drawing of the binding tool concerning this invention. It is explanatory drawing of the notebook using the binding tool concerning this invention.

A two-hole perfect circular ring binding device according to an embodiment of the present invention will be described.
FIG. 1 is a perspective view showing a file using a binding device according to an embodiment of the present invention. FIG. 2 is a perspective view showing an example of a binding device according to an embodiment of the present invention, and FIG. 3 is a perspective view of a holding member. FIG. 4 is a perspective view illustrating an operation member and an opening / closing member. FIG. 5 is a plan view of the opening / closing member. 6A and 6B are side view illustrations of the opening and closing member, FIG. 6A is a side view illustration of the original state, and FIGS. 6B and 6C are side view illustrations of the state where force is applied in the circumferential direction of the winding portion. . 7A is a plan view illustrating the binding ring and the operating member in the closed state, and FIG. 7B is a left side schematic view illustrating the binding ring and the operating member in the closed state, and FIG. 7C is a binding ring in the closed state. FIG. 7D is a bottom view illustrating the binding ring and the operating member in a closed state. FIG. 8 is a plan view of the binding device in a closed state. FIG. 9 is a bottom view of the binding device in a closed state. 10 is a cross-sectional view of the binding device in a closed state, (A) is a cross-sectional view of FIG. 9A-A, and (B) is a cross-sectional view of FIG. 9B-B. FIG. 11 is a bottom view of the binding device showing a state in which the binding ring is opened. FIG. 12 is an illustrative view of a binding ring of a binding tool showing a state in which the binding ring is opened.

The binding device 10 shown in FIGS. 1 and 2 is fixed to the inner surface of a spine cover inside a pair of left and right fold lines formed at the approximate center of a cover sheet CO made of cardboard or other relatively hard sheet material. As a fixing method, a fixing tool such as a bolt, a nut, and a fitting is inserted into mounting holes 20 (described in detail later) formed at both ends in the longitudinal direction of the binding tool 10 so as to be integrated with the back cover. There is a way to fix.
In addition, although demonstrated using a volt | bolt and a nut as a fixing tool here, it is not restricted to this, For example, you may use a screw, a fitting, a rivet, etc.

The cover 310 of the file binder 300 having the binding device 10 fixed to the cover CO includes a back cover 316 that fixes a holding member of the binding device 10, and a front cover 312 that extends freely at both ends of the spine cover 316. 28 and 30, and the front cover 312 and the back cover 314 are continuously provided so as to stand up with respect to the spine 316.
The front cover 312 and the back cover 314 are provided with thin hinge portions 318A and 318B for opening and closing near the spine 316.
In this specification, the front cover 312 side is referred to as the A side, and the back cover 314 side is referred to as the B side.

  The binding device 10 includes a pair of substantially D-shaped annular metal rings on the other side of the pair of substantially D-shaped metal rings that form a substantially D-shaped annular binding ring when viewed from the front, and a pair of the first binding ring 12 and the first binding ring 12. The second binding ring 14 on the near side, the holding member 16 having a length capable of providing the first binding ring 12 and the second binding ring 14 at intervals, and the first binding ring A pair of plate-like operations in which the first binding ring 12 and the second binding ring 14 are fixed so as to extend from the front surface side so that 12 and the second binding ring 14 are fixed to the holding member 16. An operating member 18 having a piece movably fixed inside the holding member 16 is provided.

The binding ring of the binding tool 10 is a two-hole type that can be freely opened and closed, and includes a first binding ring 12 that is a main binding ring and a second binding ring 14 that is a secondary binding ring.
The 1st binding ring 12 and the 2nd binding ring 14 are comprised so that the binding ring latching | locking part 50 can be removed with a finger | toe toward the same direction.
When the binding ring is closed, the first binding ring 12 as the main binding ring is configured to be directly sandwiched between, for example, the thumb and the index finger, and the first binding ring 12 is sandwiched between the two fingers. The second binding ring 14 as a secondary binding ring is configured to follow when operated in the closing direction.

The holding member 16 has a substantially rectangular shape in plan view and has a length that allows the first binding ring 12 and the second binding ring 14 to be provided at a predetermined interval. In the vicinity of 20, it is formed in a substantially semicircular arc shape in plan view.
The holding member 16 is mounted on a binding object having a substantially semicircular cross section whose center bulges from the vicinity of the outer side in the longitudinal direction to the inner side from the portion where the first binding ring 12 and the second binding ring 14 are fixed. The holding part 22 is provided, and the inside of the binding object mounting part 22 is provided with a holding space, and the operation member 18 and the like are accommodated in the holding space.
At both ends of the binding object mounting portion 22 of the holding member 16, holding walls 24 that slidably hold the operating member 18 are provided from substantially one end to the other end in the longitudinal direction. In this embodiment, the holding wall 24 hangs substantially in the whole from the outer vicinity of the first binding ring 12 and the second binding ring 14 in the longitudinal direction of the holding member 16. In addition, a first holding wall 24a and a second holding wall 24b are connected in series, and the first holding wall 24a and the second holding wall 24b are parallel and have substantially the same plate shape.
In the holding space surrounded by the first holding wall 24a and the second holding wall 24b and the binding object mounting portion 22, the operating member 18, the opening / closing member 40 and the like which will be described in detail later are accommodated.

In the binding object mounting portion 22 of the holding member 16, the first binding ring 12 on the far side and the second binding ring 14 on the near side are spaced apart from each other in the length direction of the holding member 16 (Nippon Kogyo Co., Ltd.). A through-hole 26 on the far side and a through-hole 28 on the near side are drilled in order to open the hole with a certain length (determined by a standard or the like).
The through hole 26 on the far side and the through hole 28 on the near side are the first binding member 12 a and the second binding member 12 b that constitute the first binding ring 12, and the second binding ring 14 that constitutes the second binding ring 14. Corresponding to the third binding member 14a and the fourth binding member 14b, the B-side through-holes 26a, 28a (the back cover side of the cover CO) are separated from each other in the width direction of the holding member 16 with a certain interval. ) And A side through holes 26b, 28b (the front cover side of the cover CO).
The through-hole 26 on the far side is provided with a B-side through-hole having an interval through which the first binding member 12a can be penetrated and the first binding member 12a can be moved in the hole in the length direction of the holding member 16 26 a and an A-side through hole 26 b that has a space that allows the second binding member 12 b to move through the hole in the length direction of the holding member 16 through the second binding member 12 b. The B-side through hole 26a has a substantially U shape in a plan view and has a hole edge 26a1 on the far side continuing from the opening portion and a hole edge 26a2 on the near side.
The A-side through-hole 26b is symmetrical with the B-side through-hole 26a, and has a hole edge 26b1 on the far side and a hole edge 26b2 on the near side continuing from the opening portion in a substantially U shape in plan view.
The front side through-hole 28 has a B-side through-hole provided with an interval that allows the third binding member 14a to penetrate the third binding member 14a and move the third binding member 14a in the hole in the length direction of the holding member 16. 28a and an A-side through-hole 28b provided with a space that allows the fourth binding member 14b to move through the hole in the length direction of the holding member 16 through the fourth binding member 14b. The B-side through hole 28a has a substantially U shape in a plan view and has a hole edge 28a1 on the far side continuing from the opening portion and a hole edge 28a2 on the near side.
The A-side through-hole 28b is symmetrical with the B-side through-hole 28a and has a hole edge 28b1 on the far side and a hole edge 28b2 on the near side that continue from the opening portion in a substantially U shape in plan view.
The B side through hole 26a and the B side through hole 28a have the same shape, and the A side through hole 26b and the A side through hole 28b have the same shape.

The positions of the B-side through hole 26a and the A-side through hole 26b in the length direction of the holding member 16 are changed, and the near side edge of the B side through hole 26a is farther from the near side edge of the A side through hole 26b. Is located.
The positions of the B-side through hole 28a and the A-side through hole 28b in the length direction of the holding member 16 are changed, and the near side edge of the B side through hole 28a is farther than the near side edge of the A side through hole 28b. Is located.
In this embodiment, when the first binding ring 12 and the second binding ring 14 are closed, the direction O2 in which the binding ring engaging portion 50 of the second binding member 12b is disengaged is removed. The front hole edge 26b2 on the opposite side is positioned closer to the front side than the front hole edge 26a2 on the side in the direction O1 in which the disengagement of the binding ring locking portion 50 of the first binding member 12a is disengaged. is doing.
Similarly, when the first binding ring 12 and the second binding ring 14 are closed, the direction opposite to the direction O2 in which the disengagement of the binding ring locking portion 50 of the fourth binding member 14b is removed. The front side hole edge 28b2 is positioned on the front side of the front side hole edge 28a2 on the side in the direction O1 in which the disengagement of the binding ring locking portion 50 of the third binding member 14a is disengaged.

The actuating member 18 includes a pair of first actuating pieces 30 and second actuating pieces 32 made of a substantially rectangular metal plate in plan view.
The first working piece 30 and the second working piece 32 have an outer edge 30b and an outer edge that slide in the inner surface in parallel with the first holding wall 24a and the second holding wall 24b in the longitudinal direction. 32b is formed, and a butt edge 30a and a butt edge 32a for abutting the pair of first operating piece 30 and second operating piece 32 in parallel with the outer edge 30b and the outer edge 32b are formed on the inner edge. ing. The first actuating piece 30 and the second actuating piece 32 are point-symmetrical with the center C (shown in FIGS. 7 and 9) in the longitudinal direction of the butt edge 30a and the butt edge 32a as the center of symmetry, and the holding member 16. When they are juxtaposed in the longitudinal direction in the holding space, they are engaged with each other at their inner edges.

When the first working piece 30 and the second working piece 32 are not applied with force from the outside, the first working piece 30 and the second working piece 32 are valley-folded, that is, the holding member 16 is bound. The direction facing away from the inner surface of the object placement portion 22 (the abutting edge 30a and the abutting edge 32a are below the plane Pxy shown in FIG. 7) or a mountain fold, that is, the object to be bound of the holding member 16 is placed. Holding the inner side of the holding member 16 so as to maintain the valley fold or mountain fold state in the direction approaching the inner surface of the portion 22 (the butt edge 30a and the butt edge 32a are above the plane Pxy in FIG. 7). It is installed in the space.
The plane Pxy is a left-right axis Y1, which passes through portions (four places) where the base portions of the first binding ring 12 and the second binding ring 14 are fixed to the first operating piece 30 and the second operating piece 32, respectively. This is a plane including Y2 and the longitudinal axes X1 and X2 (shown in FIG. 7).

The operating member 18 has the first binding ring 12 on the surface (that is, the upper surface) of one operating piece, that is, the inner surface of the binding member mounting portion 22 of the holding member 16 in the first operating piece 30. The base part of the first binding member 12a constituting the base is fixed, and the base part of the third binding member 14a constituting the second binding ring 14 is spaced apart from the first binding member 12a. It is fixed.
In addition, the second binding piece 12 constituting the first binding ring 12 is provided on the surface (namely, the upper surface) of the other operating piece, that is, the second operating piece 32 that faces the binding object mounting portion 22 of the holding member 16. The base portion of the member 12b is fixed, and the base portion of the fourth binding member 14b constituting the second binding ring 14 is fixed at a certain distance from the second binding member 12b.

One working piece, that is, the first working piece 30 is a protrusion 30c1 (formed in the vicinity of the first binding member 12a) that passes through the through hole 26 on the other side formed in the holding member 16 and the holding member. A protrusion 30c2 (formed in the vicinity of the third binding member 14a) that is passed through the front through hole 28 formed in the member 16 is formed.
The second operating piece 32 is formed on the holding member 16 and a protrusion 32c1 (formed in the vicinity of the second binding member 12b) that is passed through the through hole 26 on the other side formed in the holding member 16. A protrusion 32c2 (formed in the vicinity of the fourth binding member 14b) that is passed through the second through hole 28 is formed.
The pair of first working piece 30 and second working piece 32 includes the projecting portion 30c1, the projecting portion 30c2, and the projecting portion 32c1, the projecting portion 32c2. The front through-hole 28 and the front through-hole 28 are in contact with each other in a state of being passed through.
The first actuating piece 30 and the second actuating piece 32 are configured so that the abutting edge 30a and the abutting edge 32a have the holding member when the binding ring, that is, the first binding ring 12 and the second binding ring 14 are opened. When the first binding ring 12 and the second binding ring 14 are closed, the first binding ring 12 and the second binding ring are moved away from the inner surface of the holding member 16 when the first binding ring 12 and the second binding ring 14 are closed. 14 is held by the holding member 16 so as to be swingable in the direction of opening and closing.

The first working piece 30 has a substantially straight butting edge 30a on which a pair of working pieces are butted, and a substantially straight outer end edge 30b substantially parallel to the butting edge 30a on the outside. ing.
The second working piece 32 is formed with a substantially linear butting edge 32a on which a pair of working pieces are butted, and a substantially linear outer end edge 32b substantially parallel to the butting edge 32a is formed on the outside. ing.
The outer edge 30b of the first working piece 30 is formed with a protrusion 30c1 and a protrusion 30c2.
The outer edge 32b of the second operating piece 32 is formed with a protrusion 32c1 and a protrusion 32c2.
That is, the abutting edge 30a and the abutting edge 32a are abutted, and the outer edge 30b and the outer edge 32b approach the inner inner surfaces of both the first holding wall 24a and the second holding wall 24b of the holding member 16. To do.

The projecting portion 30c1 and the projecting portion 30c2 are arranged on the outside in the width direction of the first operating piece 30 which is close to the mounting position of the base portions of the first binding member 12a and the third binding member 14a, respectively, and back and forth. A pair of protrusions 32c1 and 32c2 are formed at a distance from each other, and the protrusions 32c1 and 32c2 are close to the attachment positions of the bases of the second binding member 12b and the fourth binding member 14b. The first holding wall 24a and the second holding wall 16a of the holding member 16 are formed so that a pair is formed on the outer side in the width direction with a space therebetween in the front-rear direction so that the first binding ring 12 and the second binding ring 14 can be opened and closed. Projecting outward from the holding wall 24b.
The projecting portion 30c1 and the projecting portion 30c2 have a through-hole 26 on the far side of the first holding wall 24a of the holding member 16 and a length projecting outward from the through-hole 26 on the far side, and also project from the projecting portion 32c1. The portion 32c2 has a length that protrudes outward from the front through hole 28 and the front through hole 28 of the second holding wall 24b of the holding member 16, and the operating member 18 is held when the binding ring is opened and closed. The tongue 16 has a width that can move in the longitudinal direction of the member 16.
The first working piece 30 and the second working piece 32 are made of metal or plastic thin plate, and the first working piece 30 and the second working piece 32 and the projecting portion 30c1, the projecting portion 30c2, the projecting portion 32c1, and the projecting portion. The part 32c2 is integrally formed.

  The opening / closing member 40 is fixed to the operating member 18 on the back side opposite to the surface on which the first binding ring 12 and the second binding ring 14 are fixed, and the first binding ring 12 and the second binding ring 12 are connected to each other. When the binding ring 14 is opened, the first operating piece 30 and the second operating piece 32 are moved in the longitudinal direction of the holding member 16 in the holding member 16 and in a direction approaching the inner surface of the holding member 16. The first binding ring 12 and the second binding ring 14 are formed to change in the opening direction so as to be held.

The actuating member 18 opens the first binding ring 12 and the second binding ring 14 on the back side opposite to the surface side to which the first binding ring 12 and the second binding ring 14 are fixed. An opening / closing member 40 that biases in the direction is fixed and fixed to the operating member 18.
When the first binding ring 12 and the second binding ring 14 are closed, the first operating piece 30 and the second operating piece 32 have their butted edges at positions away from the inner surface of the holding member 16. When the first binding ring 12 and the second binding ring 14 are opened, the first operating piece 30 and the second operating piece are held in a flat state in a state where the abutting edge 30a and the abutting edge 32a are abutted. 32 is fixed to the holding member 16 so as to be held in a mountain fold shape in a direction approaching the inner surface of the holding member 16 in a state where the butted edge 30a and the butted edge 32a are butted.

  The first operating piece 30 is near both ends of the butting edge 30a, and is closer to the butting edge 30a than the area where the bases of the first and third binding members 12a and 14a are fixed. Near both ends, the opening / closing member 40 is bent from the surrounding reference surface LP1 along the abutting edge 30a toward the surface to which the opening / closing member 40 is fixed, and is recessed to the far side of the first working piece 30d and the front side of the first working piece. A recess 30e is formed. Then, the second working portion 36b4 on the far side of the first working piece having the engaging portion from the reference surface LP1 by the near side recessed portion 30e of the first working piece and the far side recessed portion 30d of the first working piece. Is formed.

  The second operating piece 32 is in the vicinity of both ends of the butt edge 32a, and is closer to the butt edge 32a than the region where the base portions of the second binding member 12b and the fourth binding member 14b are fixed. The vicinity of both ends of 32a is bent along the abutting edge 32a toward the surface to which the opening and closing member 40 is fixed from the surrounding reference plane LP2, and is recessed on the near side 32e of the second working piece and the second working piece. A far side recess 32d is formed. Then, the second engaging portion on the far side of the second working piece having an engaging surface lower than the reference surface by the near side recessed portion 32e of the second working piece and the far side recessed portion 32d of the second working piece. 36b1 is formed.

  The first working piece 30 is recessed by bending the butting edge 30a from the surrounding reference surface LP1 to the surface side to which the opening / closing member 40 is fixed, thereby forming a recessed portion 30d on the far side of the first working piece and opening / closing. The member 40 is bent to the opposite side to the surface to be fixed to form the first working piece 36a1 beyond the first working piece having an engaging surface lower than the reference surface LP1, and the second working piece. 32 is bent by bending the butt edge 32a toward the surface to which the opening / closing member 40 is fixed from the surrounding reference surface LP2 to form a recessed portion 32d on the other side of the second operating piece and lower than the reference surface LP2. A second engagement piece 36b1 on the other side of the second working piece having a mating surface is formed, and the engagement surface of the first engagement part 36a1 on the other side of the first working piece and the other side of the second working piece. The engagement surface of the second side engagement portion 36b1 is the reference surface LP1. In the fine reference plane LP2 and substantially the same height or lower height, it is engaged.

  The second operating piece 32 is recessed by bending the butting edge 32a toward the surface to which the opening / closing member 40 is fixed from the surrounding reference surface LP2 to form a front side recessed portion 32e of the second operating piece. In addition, the first engaging portion 36a3 on the near side of the second operating piece having an engaging surface lower than the reference surface LP2 is formed by bending the opening / closing member 40 to the opposite side to the surface to be fixed. The actuating piece 30 is recessed by bending the butt edge 30a from the surrounding reference plane LP1 toward the surface to which the opening / closing member 40 is fixed, thereby forming a front side recessed portion 30e of the first actuating piece, and from the reference plane LP1. A first engagement piece 36b3 on the near side of the first working piece having a low engagement surface is formed, and the engagement surface of the first engagement part 36a3 on the near side of the second action piece and the first action piece The engagement surface of the second engagement portion 36b3 on the near side is the reference surface LP1 and the base In the surface LP2 and substantially the same height or lower height, it is engaged.

  The first working piece 30 is recessed by bending the butting edge 30a from the surrounding reference surface LP1 to the surface side to which the opening / closing member 40 is fixed, thereby forming a front side recessed portion 30e of the first working piece and opening / closing. The first working piece 36a2 on the near side of the first working piece having an engaging surface lower than the reference surface LP1 is formed by bending the member 40 to the opposite side of the face to be fixed, and the second working piece. 32, the butting edge 32a is bent from the surrounding reference surface LP2 to the surface side to which the opening and closing member 40 is fixed, thereby forming a front side recessed portion 32e of the second working piece and lower than the reference surface LP2. A second engaging portion 36b2 on the front side of the second operating piece having a mating surface is formed, and the engaging surface of the first engaging portion 36a2 on the near side of the first operating piece and the front side of the second operating piece are formed. The engagement surface of the second side engagement portion 36b2 is the reference surface LP1 and the reference surface L. In 2 and substantially the same height or lower height, are engaged.

  Further, the second operating piece 32 is recessed by bending the butting edge 32a toward the surface to which the opening / closing member 40 is fixed from the surrounding reference surface LP2, thereby forming a recessed portion 32d on the other side of the second operating piece. In addition, a first engaging portion 36a4 on the opposite side of the second operating piece having an engaging surface lower than the reference surface LP2 is formed by bending the opening / closing member 40 to the opposite side to the surface to be fixed. The actuating piece 30 is recessed by bending the butt edge 30a from the surrounding reference surface LP1 to the surface side to which the opening / closing member 40 is fixed to form a recessed portion 30d on the far side of the first actuating piece, and from the reference surface LP1. A second engaging portion 36b4 beyond the first operating piece having a low engaging surface is formed, and the engaging surface of the first engaging portion 36a4 beyond the second operating piece and the first operating piece are formed. The engagement surface of the second engagement portion 36b4 on the other side is the reference In LP1 and the reference surface LP2 and substantially the same height or lower height, it is engaged.

The engagement surface of the first engagement portion 36a of the first operation piece 30 and the engagement surface of the second engagement portion 36b of the second operation piece 32 are substantially the same as the reference surface LP1 and the reference surface LP2. Are engaged at the same or lower height.
The engagement surface of the first engagement portion 36a of the second operation piece 32 and the engagement surface of the second engagement portion 36b of the first operation piece 30 are substantially the same as the reference surface LP1 and the reference surface LP2. Are engaged at the same or lower height.
The first engaging portion 36a includes a first engaging portion 36a1 on the far side of the first operating piece, a first engaging portion 36a2 on the near side of the first operating piece, and a first engaging portion on the near side of the second operating piece. 36a3 and a first engaging portion 36a4 on the other side of the second operating piece.
The second engagement portion 36b includes a second engagement portion 36b1 on the far side of the second operation piece, a second engagement portion 36b2 on the near side of the second operation piece, and a second engagement on the near side of the first operation piece. Part 36b3 and the second working part 36b4 beyond the first working piece.

The first operating piece 30 includes a first engaging portion 36a and a second engaging portion 36b similar to the second operating piece 32, and the second operating piece 32 includes: The second engagement portion 36b is formed and the first engagement portion 36a is formed in the same manner as the first operation piece 30, and the first operation piece 30 and the second operation piece 32 facing each other are the first engagement portion. The joining portion 36a and the second engaging portion 36b are engaged so that the first operating piece 30 and the second operating piece 32 swing around the butting edge 30a and the butting edge 32a. ing.
As described above, the pair of operating pieces, that is, the first operating piece 30 and the second operating piece 32 are matched so that the operating member 18 and the opening / closing member 40 can be held and moved in the holding space of the holding member 16. On the edges, that is, the butt edge 30a and the butt edge 32a, the engagement parts for maintaining the butt state during the movement, that is, the first engagement part 36a and the second engagement part 36b are fixed to the opening / closing member 40. Therefore, the height of the holding member 16 can be lowered to reduce the height.

The first engaging portion 36a has a concave portion (a concave portion 30d on the other side of the first working piece, the first concave portion 30d) toward the inner surface side of the binding object mounting portion 22 of the holding member 16. And a base portion projecting from the front side recessed portion 30e of the second operating piece, a far side recessed portion 32d of the second working piece, and a front side recessed portion 32e of the second operating piece, and a tip of the base portion. It is formed in a substantially U shape in plan view provided with a pressing portion. The pressing portion is configured to prevent the first operating piece 30 or the second operating piece 32 that is one of the first operating piece 30 and the second operating piece 32 as a pair of operating pieces from being detached. It has a function.
The first engaging portion 36a1 on the far side of the outermost first working piece and the first engaging portion 36a3 on the near side of the second working piece are arranged so that the first working piece 30 and the second working piece 32 are reversed. Even when it is moved to the position, it has a width located inside the end edge of the actuating member 18.
The first engagement portion 36a1 on the far side of the outermost first working piece, the first engagement portion 36a4 on the far side of the inner second working piece, and the front side first engagement of the outermost second working piece. The portion 36a3 and the first engagement portion 36a2 on the front side of the inner first working piece are spaced at an appropriate interval across the portion where the base portions of the first binding ring 12 and the second binding ring 14 are attached. Formed.

And when the said 1st binding ring 12 and the 2nd binding ring 14 close, as shown in FIG. 10, the 1st operation piece 30 and the 2nd operation piece 32 which comprise the operation member 18 are the butting | matching. The edge 30a and the butting edge 32a face away from the inner surface of the holding member 16 (the inner surface of the binding object mounting portion 22) (that is, in a substantially V-shape in a front view slightly lower than the horizontal plane), and the first When the butt edge 30a of the operating piece 30 and the butt edge 32a of the second operating piece 32 are held in contact with each other, and when the first binding ring 12 and the second binding ring 14 are opened, FIG. As shown in FIG. 1, the first working piece 30 and the second working piece 32 constituting the working member 18 are directed in a direction approaching the inner surface of the holding member 16 (the inner surface of the binding object mounting portion 22) ( Ie mountain Ri state), is fixed in the space inside the holding member 16 so as to be held in abutting the edge 32a is butted to the second operating piece 32.
The first working piece 30 and the second working piece 32 are arranged such that the reference surface LP1 and the reference surface LP2 are slightly lowered from the horizontal direction, that is, are directed downward from the binding object mounting portion 22 of the holding member 16. , Have been matched. Therefore, when the first binding ring 12 and the second binding ring 14 are opened, the space between the free end of the first binding ring 12 and the free end of the second binding ring 14 is further widened. It becomes easy to bind or remove the object S.

  Further, the first operating piece 30 and the second operating piece 32 constituting the operating member 18 are arranged in the direction approaching the inner surface of the binding object mounting portion 22 of the holding member 16, that is, in the mountain fold state. The lengths of the first operating piece 30 and the second operating piece 32, that is, the first binding member 12a and the third binding member 14a fixed to the first operating piece 30 and the second operating piece 32 are The first operating piece 30 and the first working piece 30 are arranged in a direction parallel to the connecting line (X1 (shown in FIG. 7)) and the connecting line (X2 (shown in FIG. 7)) connecting the second binding member 12b and the fourth binding member 14b. The two operating pieces 32 are slidably provided so as to be movable.

The first actuating piece 30 and the second actuating piece 32 include a first actuating piece-side recess 30d, a first actuating-side recess 30e, and a second actuating-side recess 32d. In the front side recessed portion 32e of the second operating piece, in the vicinity of the inside of the front side first engaging portion 36a2 of the inner first operating piece and the far side first engaging portion 36a4 of the second operating piece, A movement restricting portion that restricts movement of the first working piece 30 and the second working piece 32 in the longitudinal direction is formed.
The movement restricting portion includes a restricting concave portion 30f and a restricting convex portion 30g formed on the butting edge 30a of the first operating piece 30, and a restricting concave portion 32f and a restricting convex portion formed on the butting edge 32a of the second actuating piece 32. 32g.
The restriction recess 30f is a U-shaped notch that is recessed in the width direction from the butt edge 30a in the vicinity of the outside of the recess 36a, and the restriction protrusion 32g is formed so as to be loosely fitted to the restriction recess 30f. This is a U-shaped protrusion in plan view, and the restriction convex part 32g is loosely fitted in the restriction concave part 30f, and the first working piece 30 and the second working piece 32 alternate in the length direction in the restriction concave part 30f. It is formed to move to.
The restriction recess 32f is a U-shaped notch in a plan view that is recessed in the width direction from the butt edge 32a in the vicinity of the outside of the recess 36b, and the restriction protrusion 30g is formed so as to be loosely fitted to the restriction recess 32f. The projection is a U-shaped projection in plan view, and the regulation projection 30g is loosely fitted in the regulation recess 32f. It is formed to move to.

The movement restricting portion includes a restricting recess 30f and a restricting convex portion 30g formed on the butting edge 30a of one first operating piece 30, and a restricting recess 32f formed on the butting edge 32a of the other second operating piece 32. And when the binding rings 12 and 14 are closed at the binding ring locking portion 50, the restriction recess 30f of the first operating piece 30 is locked. The restricting convex portion 32g of the other second operating piece 32 so as to allow the other binding member (the second binding member 12b and the fourth binding member 14b) to move in the direction in which the locking portion 50 is released. It is formed in the length which can accept | permit movement.
In this embodiment, the length of the restriction recess 30f formed in the butt edge 30a of the first working piece 30 is the same as the length of the first working piece 30 and the second working piece 32 in the length direction. The length of the regulation concave portion 32f formed in the butting edge 32a of the second working piece 32 is longer than the length of the regulation convex portion 32g projecting on the butting edge 32a of the second working piece 32. In the length direction of the second working piece 32 and the first working piece 30, the length is longer than the length of the restricting convex portion 30 g protruding from the butt edge 30 a of the first working piece 30.
Thus, when the object to be bound S was bound into the first binding ring 12 and the second binding ring 14, a load was applied only downward (front side) in the length direction of the binding tool 10. Sometimes, in the binding ring locking portion 50, the second binding member 12b and the fourth binding member 14b are directed toward the locked first binding member 12a and third binding member 14a (downward (front side). The binding ring locking portion 50 is not disengaged by the weight of the object S to be bound.

In addition, the through-hole 26 on the far side and the through-hole 28 on the near side of the holding member 16 are further coupled with the fact that the position in the length direction of the holding member 16 is changed as follows. When the binding ring locking portion 50 of the first binding ring 12 and the second binding ring 14 is loaded only downward (front side) in the length direction of the binding tool 10 due to the weight of the binding object S, It is possible to prevent being disengaged.
The positions of the B-side through hole 26a and the A-side through hole 26b in the length direction of the holding member 16 are changed, and the near side edge of the B side through hole 26a is farther from the near side edge of the A side through hole 26b. Is located.
The positions of the B-side through hole 28a and the A-side through hole 28b in the length direction of the holding member 16 are changed, and the near side edge of the B side through hole 28a is farther than the near side edge of the A side through hole 28b. Is located.

On the butting edge 30a side of the first working piece 30 and the butting edge 32a side of the second working piece 32, an opening / closing member 40 that changes the first binding ring 12 and the second binding ring 14 in the opening / closing direction is provided. It has been.
The opening / closing member 40 includes a pair of first operating piece 30 and second operating piece between a pair of operating pieces constituting the operating member 18, that is, between the first operating piece 30 and the second operating piece 32. The binding is fixed to the first operating piece 30 at an interval so that each of the binding rings 32 is moved in the opposite direction and the open / close state of the binding ring, that is, the first binding ring 12 and the second binding ring 14 is maintained. A binding ring, that is, a second binding member 12b, which is a direction obliquely intersecting with the direction connecting the bases of the ring, that is, the first binding member 12a and the third binding member 14a, and is fixed to the operating piece 32 with a space therebetween. And it is spanned in the direction which cross | intersects the direction which connects the base part of the 4th binding member 14b diagonally.
The opening / closing member 40 is formed of a tension coil spring, and includes a winding portion 44, and a fixed tip portion 42 a and a fixed tip portion 42 b that are hooked by winding the winding portion 44 from both ends of the winding portion 44. As shown in FIG. 6A, the opening / closing member 40 has a restriction arm portion 46 a and a restriction arm portion 46 b protruding in parallel in the circumferential direction of the winding portion 44.

When the first binding ring 12 and the second binding ring 14 are closed, the opening / closing member 40 is subjected to a tensile load that is stretched so that the winding portion 44 that is in close contact at the time of no load extends. Thus, the fixed tip 42 a receiving the load is fixed to the first working piece 30, and the fixed tip 42 b is fixed to the second working piece 32.
Further, when the first binding ring 12 and the second binding ring 14 are closed, the first operating piece 30 and the second operating piece 32 are moved in the direction from the open state to the closed state. In the direction of rotation about the butt edge 30a and the butt edge 32a, a torsional moment is received around the central axis of the winding portion 44 (coil), a load is applied to the spring, and a bending stress is generated on the strand to fix it. The distal end portion 42 a is fixed to the first operating piece 30, and the fixed distal end portion 42 b is fixed to the second operating piece 32.
In this case, the opening / closing member 40 is wound so that the number of turns of the winding portion 44 is increased by one or more when viewed from a state where a load such as a torsional moment is not applied to the winding portion 44 (shown in FIG. 6A). Fixed in a state where the portion 44 is twisted one or more times (the fixed tip 42a and the restricting arm 46a are in the R direction, and the fixed tip 42b and the restricting arm 46b are in the Q direction (shown in FIGS. 5 and 6A)). The tip portions 42a and 42b are fixed to the opening / closing member fixing portion 38a and the opening / closing member fixing portion 38b, respectively.
The direction of the load that applies the load to the spring is configured to face the direction in which the winding portion 44 (coil) is wound.

The restricting arm portion 46a and the restricting arm portion 46b are orthogonal to the central axis of the winding portion 44 from the side of the fixed tip portion 42a and the fixed tip portion 42b fixed to the first operating piece 30 and the second operating piece 32. As shown in FIG. 5 and FIG. 6 (A), the original state in which the torsional moment does not occur in one regulating arm portion 46a and the other regulating arm portion 46b extends in the direction of the circumference of the winding portion 44. Projected almost parallel to the direction and extended in opposite directions.
When one fixed arm 42a is fixed to the opening / closing member fixing portion 38a of the first working piece 30, the tip of the first restricting arm 42a abuts against the back surface of the first working piece 30 and the other restricting arm 42a. 46b, when the fixed tip 42b is fixed to the opening / closing member fixing portion 38b of the second working piece 32, the tip hits the back surface (lower surface) of the second working piece 32, and the fixed tip 42a of the round hook. The fixed tip 42b is always fixed to the opening / closing member fixing portion 38a and the opening / closing member fixing portion 38b in a normal state without being greatly inclined.
In the original state where no torsional moment is generated, one restricting arm portion 46a and the other restricting arm portion 46b are formed in parallel.

The opening / closing member 40 has one end of the fixed distal end portion 42 a engaged and fixed to one operating piece, that is, an opening / closing member fixing portion 38 a formed on the back surface (lower surface) of the first operating piece 30. One end of the distal end portion 42b is locked and fixed to an opening / closing member fixing portion 38b formed on the other operation piece, that is, the back surface (lower surface) of the second operation piece 32.
The opening / closing member fixing portion 38 a is the back surface (lower surface) of the first working piece 30, and the first binding ring 12 and the center C (shown in FIGS. 7 and 9) of the first working piece 30 in the longitudinal direction. When the second binding ring 14 is opened, it is formed at a position shifted to the moving direction side of the first operating piece 30, and the opening / closing member fixing portion 38 b is the back surface (lower surface) of the second operating piece 32. The side in which the second operating piece 32 moves when the first binding rod 12 and the second binding rod 14 are opened from the longitudinal center C of the second operating piece 32 (shown in FIGS. 7 and 9). It is formed in the position shifted to.

The opening / closing member fixing portion 38a includes a locking base portion 38a1 following the back surface of the first operating piece 30, and a locking release preventing portion 38a2 extending toward the opposite side of the opening / closing member 40 at the tip (lower end) of the locking base portion 38a1. Is a side L-shape projecting.
The opening / closing member fixing portion 38b includes a locking base portion 38b1 following the back surface of the second working piece 32, and a locking release prevention portion 38b2 extending toward the opposite side of the opening / closing member 40 at the tip (lower end) of the locking base portion 38b1. Is a side L-shape projecting.
The opening / closing member fixing portion 38 a and the opening / closing member fixing portion 38 b are formed symmetrically with respect to the center C in the longitudinal direction of the first operating piece 30 and the second operating piece 32.

In the opening / closing member 40, the butted edges 30 a and the butted edges 32 a of the first working piece 30 and the second working piece 32 are in a valley folded state (shown in FIG. 10), that is, the binding object mounting portion 22 of the holding member 16. When it is in a state of being held away from the inner surface of the first and second operating pieces 30, the first operating piece 30 and the second operating piece 32 are slanted so as to be extended. The force to return to the original state works.
The opening / closing member 40 connects the longitudinal direction of each of the first operating piece 30 and the second operating piece 32, that is, the portion for fixing the binding member 12 a of the first operating piece 30 and the portion for fixing the binding member 14 a. Line (front-rear axis X1 (shown in FIG. 7)) and a line (front-rear axis X2 (shown in FIG. 7)) connecting the portion where the binding member 12b of the second working piece 32 is fixed and the portion where the binding member 14b is fixed obliquely It is bridged in the direction that intersects

The opening / closing member fixing portion 38a of the first operating piece 30 and the opening / closing member fixing portion 38b of the second operating piece 32 have a center C (shown in FIGS. 7 and 9) in the longitudinal direction of the butting edge 30a and the butting edge 32a. The opening / closing member 40 is formed so as to be point-symmetric with respect to the rotation axis, and the fixed distal end portion 42a has an opening / closing member having a uniform length from the center C (shown in FIGS. The fixed tip portion 42b is locked to the opening / closing member fixing portion 38b to the fixing portion 38a, and a uniform force is applied to the first operating piece 30 and the second operating piece 32.
The distance between the first working piece 30 and the second working piece 32 abutted at the butting edge 30a of the first working piece 30 and the butting edge 32a of the second working piece 32 is kept constant, The first operating piece 30 and the second operating piece 32 are pulled together to keep their positional relationship in an optimum state.
Therefore, when the first binding ring 12 and the second binding ring 14 constituting the binding ring are opened and closed, the first operating piece 30 and the second operating piece 32 swing around the butting edge 30a and the butting edge 32a as pivots. When moving, when the sum of the width of the first working piece 30 and the width of the second working piece 32 is maximized, that is, the first working piece 30 and the second working piece 32 are flat. Even in this state, the outermost edge (outer edge 30b) of the first operating piece 30 and the first holding wall 24a of the holding member 16 and the outermost edge of the second operating piece 32 are also present. An appropriate gap is generated between the edge (outer end edge 32 b) and the second holding wall 24 b of the holding member 16, and the first working piece 30 and the second working piece 30 of the working member 18 in the holding space of the holding member 16. The operating piece 32 can move smoothly.

As shown in FIG. 7, the opening / closing member fixing portion 38 a and the opening / closing member fixing portion 38 b include a center C (shown in FIG. 7D) in the longitudinal direction of the butt edge 30 a and the butt edge 32 a, the opening / closing member fixing portion 38 a, and the opening / closing member fixing portion 38 b. Along the line X3 (shown in FIG. 7D) connecting the opening / closing member 40, the opening / closing member 40 is formed so as to cross over the butt edge 30a and the butt edge 30a obliquely.
That is, the opening / closing member fixing portion 38a of the opening / closing member 40 is arranged along the line X3 (shown in FIG. 7D) connecting the center C (shown in FIG. 7D) in the longitudinal direction of the butt edge 30a and the opening / closing member fixing portion 38a. It is formed to be bridged.
The opening / closing member fixing portion 38b of the opening / closing member 40 extends along the line X3 (shown in FIG. 7D) connecting the center C (shown in FIG. 7D) in the longitudinal direction of the butting edge 32a and the opening / closing member fixing portion 38b. It is formed to be passed.
The locking base 38a1 of the opening / closing member fixing portion 38a and the locking base 38b1 of the opening / closing member fixing portion 38b are orthogonal to the line X3, and the locking base 38a1 of the opening / closing member fixing portion 38a and the locking base 38b1 of the opening / closing member fixing portion 38b. The locking release prevention portion 38a2 (of the opening / closing member fixing portion 38a) and the locking release prevention portion that extend along the line X3 (shown in FIG. 7D) toward the opposite end of the opening / closing member 40, respectively. 38b2 (opening / closing member fixing portion 38b) is formed in a substantially L-shaped side surface. The opening / closing member fixing portion 38a and the opening / closing member fixing portion 38b are formed in a point-symmetrical manner around the center C (shown in FIG. 7D) in the longitudinal direction of the butting edge 30a and the butting edge 32a.

  The pair of the first operating piece 30 and the second operating piece 32 are moved in opposite directions in the longitudinal direction of the holding member 16, so that the first binding ring is formed by the combination of the binding members. 12 and the second binding ring 14 are separated, and when the first binding ring 12 and the second binding ring 14 are separated, the opening / closing member 40 is connected to the first operating piece 30 and the second binding ring 14. The operating piece 32 is urged to release the first binding member 12a, the second binding member 12b, the third binding member 14a, and the fourth binding member 14b.

  When the first operating piece 30 and the second operating piece 32 constituting the operating member 18 start to open the first binding ring 12 and the second binding ring 14 by hand due to the elasticity of the opening / closing member 40. That is, when the binding ring locking portions 50 of the first binding ring 12 and the second binding ring 14 are removed, the winding portion 44 of the opening / closing member 40 that has been extended is caused to act in a further extending direction. A direction in which the first binding member 12a and the second binding member 12b of the first binding ring 12 are separated (the first binding member 12a is in the O1 direction, and the second binding member 12b is in the O2 direction (shown in FIG. 7)). And a direction in which the third binding member 14a and the fourth binding member 14b of the second binding ring 14 are separated (the third binding member 14a is in the O1 direction, and the fourth binding member 14b is in the O2 direction (shown in FIG. 7). )), The first working piece 30 and the second working piece 32 are reversed. The first actuating piece 30 is moved in the O1 direction and the second actuating piece 32 is moved in the O2 direction (shown in FIG. 7) (see FIG. 11).

  Further, the opening / closing member 40 moves the first binding member 12a and the second binding member 12b and the third binding member 14a and the fourth binding member 14b in the circumferential direction (the left and right axes Y1 and Y shown in FIG. 7). It works to pull away in the left and right axis Y2 direction). The twisted opening / closing member 40 returns the first binding member 12a and the second binding member 12b to the original state as shown in the arrow directions of FIGS. 6B and 6C and the third binding member 12b. The binding member 14a and the fourth binding member 14b are arranged in the circumferential direction of the first binding ring 12 and the second binding ring 14 (the first binding member 12a and the third binding member 14a are in the O3 direction, The binding member 12b and the fourth binding member 14b act so as to be separated in the O4 direction (shown in FIG. 7) (see FIG. 14A).

Then, the opening / closing member 40 acts in a direction in which the winding portion 44 extended by the elasticity of the opening / closing member 40 contracts, and the first operating piece 30 constituting the operating member 18 closes the binding ring locking portion 50. It moves in the direction of the position (the direction opposite to O1 (shown in FIG. 7)), and the second actuating piece 32 closes the binding ring locking portion 50 (the direction opposite to O2 (the direction opposite to O2). 7)). (See FIGS. 14B and 15).
That is, the first working piece 30 and the second working piece 32 change from a flat state to a mountain folded state. The first binding ring 12 and the second binding ring 14 are opened in the opening direction (the first binding member 12a and the third binding member 14a are in the O3 direction, and the second binding member 12b and the fourth binding member 14b are in O4 direction. Direction) to open.
When the first binding ring 12 and the second binding ring 14 are opened, the opening / closing member 40 has a butt edge 30a of the first working piece 30 and a butt edge 32a of the second working piece 32. It acts to hold in the mountain folded state, that is, the state approaching the inner surface of the binding object mounting portion 22 of the holding member 16.

The binding object mounting portion 22 of the holding member 16 is formed with a bulging portion 22a extending in the longitudinal direction of the binding object mounting portion 22, and the bulging portion 22a is formed with a recess portion on the inner side thereof. When the butting edge 30a and the butting edge 32a of the member 18 rotate upward, the butting edge 30a and the butting edge 32a rotate upward, and the opening / closing member 40 moves upward, the object to be bound In order not to come into contact with the inner surface of the mounting portion 22, the binding portion mounting portion 22 is formed to extend in the longitudinal direction.
The holding member 16 includes a holding wall 24 extending in a direction close to a direction connecting the bases of the first binding ring 12 and the second binding ring 14 provided at intervals to the operating member 18 and the object to be bound. A holding portion for holding the operating member 18 inside the holding member 16 is formed by the holding wall 24 and the binding object mounting portion 22 of the holding member 16, and the operating member 16 and The opening / closing member 40 is configured to move in the holding space when opening and closing the first binding ring 12 and the second binding ring 14.

As described above, the holding member 16 connects the base portions of the first binding ring 12 and the second binding ring 14 that are provided at intervals in the operating member 18 (directions X1 and X2 in FIG. 7). A holding wall 24 composed of a first holding wall 24 a and a second holding wall 24 b extending in a direction close to the first binding wall 24, and the holding wall 24 is a first binding provided at intervals on the operating member 18. A projecting portion of the first working piece 30 projecting toward the outside of the holding wall 24 extending in a direction intersecting the direction connecting the base of the ring 12 and the second binding ring 14 (direction X1 and X2 in FIG. 7). 30c1, the protruding portion 30c2, and the holding portion for holding the protruding portion 32c1 and the protruding portion 32c2 of the second working piece 32, that is, the first holding portion 60 and the first holding portion 62 formed on the first holding wall 24a. And the second holding part 64 and the second formed on the second holding wall 24b. And a holding portion 66.
The first holding part 60 and the first holding part 62 are formed by projecting a part of the holding wall 24 outwardly from the projecting part 30c1 and the projecting part 30c2 of the operating member 18. The holding portion 62 is recessed toward the inside of the holding wall 24 (first holding wall 24a) so as to hold the protruding portion 30c1 and the protruding portion 30c2 of the operating member 18 fitted inside the holding member 16. Being done.
Further, the second holding portion 64 and the second holding portion 66 are formed by the second holding portion 64 and the second holding portion 64 that are formed by projecting a part of the holding wall 24 outwardly from the protruding portions 32c1 and 32c2 of the operating member 18. The second holding portion 66 faces the inside of the holding wall 24 (second holding wall 24b) so as to hold the protruding portion 32c1 and the protruding portion 32c2 of the operating member 18 fitted inside the holding member 16. Being recessed.

The first holding part 60, the first holding part 62, the second holding part 64, and the second holding part 66 are the lower surfaces of the first operating piece 30 and the second operating piece 32 of the operating member 18. A thin cut 68a, a cut 70a, a cut 72a, and a cut 74a are formed at a distance from the lower edge of the holding wall 24, and the cut 68a, the cut 70a, the cut 72a, the cut 74a, and the holding wall are formed. The first holding portion 60, the first holding portion 62, the second holding portion 64, and the second holding portion 66 are formed by the region that is struck outward from the lower edge of the holding wall 24. Is formed (see FIGS. 22A and 22B).
And the area | region which comprises the 1st holding | maintenance part 60 and the 1st holding | maintenance part 62 and the 2nd holding | maintenance part 64 and the 2nd holding | maintenance part 66 of the operating member 18 fitted inside the holding member 16 is shown. The protrusion 30c1, the protrusion 30c2, and the protrusion 32c1 are punched inward so as to hold the lower surface of the protrusion 32c2, and the notch 68a, the notch 70a, the notch 72a, the notch 74a, and the holding wall 24 of the holding wall 24 are driven. The first holding part 60, the first holding part 62, the second holding part 64, and the second holding part 66 are formed to be recessed inward from the area other than the area between the lower edge. (See FIGS. 23A and 23B).

  The first binding ring 12 includes a substantially L-shaped first binding member 12a and a substantially semicircular arc-shaped second binding member 12b so as to form a substantially D-shaped binding ring. The second binding ring 14 includes a substantially L-shaped third binding member 14a and a substantially semicircular arc-shaped fourth binding member 14b so as to form a substantially D-shaped binding ring. Then, the first binding member 12a and the second binding member 12b are inserted so that the binding object S such as a sheet can be bound by being inserted into a binding hole previously formed in the binding object S such as a sheet. And the binding ring latching | locking part 50 is formed in the front-end | tip of the 1st binding ring 12 and the 2nd binding ring 14 at the front-end | tip of the 3rd binding member 14a and the 4th binding member 14b.

The first binding ring 12 and the second binding ring 14 constituting the binding ring extend the metal wire having a circular cross section in a direction in which the binding ring locking portion 50 is removed (directions O1 and O2 in FIG. 7). In addition, it is formed by bending the binding ring in the closing direction by pressing the center portion. The first binding ring 12 and the second binding ring 14 are in the direction in which the center opens the binding ring (the first binding member 12a and the third binding member 14a are the O3 direction in FIG. The member 12b and the fourth binding member 14b are formed in the shape of a substantially bean-shaped section that swells in the direction O4 in FIG. 7 and is bent in the direction in which both ends close the binding ring.
That is, when the annular first binding ring 12 and the second binding ring 14 are viewed in the opening and closing direction, a wavy undulating surface is formed inside the first binding ring 12 and the second binding ring 14, The outer sides of the binding ring 12 and the second binding ring 14 are formed in a semicircular arc shape. And the 1st binding ring 12 and the 2nd binding ring 14 are formed in the semicircular arc shape in the both outer sides seeing in the direction which removes a binding ring.
The conventional circular cross-section binding ring is less susceptible to deformation if it has a small diameter, and if it is large, the cross-sectional area increases and material costs increase. Since there are many round holes, it is difficult to correspond to the binding hole of the binding object S such as paper, and the binding hole of the binding object S such as paper may be damaged.
However, if the first binding ring 12 and the second binding ring 14 constituting the binding ring are thin, the binding of the binding ring locking portion 50 may not be successful.
Therefore, although it is desired to increase the width of the first binding ring 12 and the second binding ring 14, the binding ring can be obtained by processing the original metal wire even if the original wire has a small cross-sectional area. I want to ensure the necessary width.
Therefore, the binding ring according to the present invention increases the overall width by pressing the central portion of the wire forming the wire rod and crushing the wire into a bean shape, that is, the entire width of the binding ring is bound. It is formed so that the binding portion 50 can be completely fitted by spreading in the direction in which the locking portion 50 is removed.

In this embodiment, the first binding member 12a and the second binding member 12b constituting the first binding ring 12 and the third binding member 14a and the fourth binding member constituting the second binding ring 14 are used. The member 14b has the same shape, that is, the same curvature (curvature radius).
The first binding member 12a and the second binding member 12b constituting the first binding ring 12 are the binding ring locking portion 50 at the free end of the first binding member 12a and the free binding of the second binding member 12b. By engaging the end binding ring locking portion 50, it is connected in an annular shape.
Moreover, the 3rd binding member 14a and the 4th binding member 14b which comprise the 2nd binding ring 14 are the binding ring latching | locking part 50 of the free end of the 3rd binding member 14a, and the 4th binding member. By engaging with the binding ring locking portion 50 at the free end of 14b, it is connected in an annular shape.

  The first binding ring 12 and the second binding ring 14 have left and right axes Y1, Y2 and front and rear passing through portions (four places) where the respective base portions are fixed to the first operating piece 30 and the second operating piece 32 The first operating piece 30 and the second operating piece 32 are erected so as to form a plane perpendicular to the plane Pxy including the axes X1 and X2 (shown in FIG. 7). The circular surface formed by the axis Z1 (shown in FIG. 7) of the first binding ring 12 and the circular surface formed by the axis Z2 (shown in FIG. 7) of the second binding ring 14 are parallel to each other. The first binding ring 12 and the second binding ring 14 are configured to be perpendicular to a plane Pxy passing through a portion where the first operating piece 30 and the second operating piece 32 are fixed.

As shown in FIGS. 16 to 21, the binding ring is driven by a first binding ring 12 that is a main binding ring that is directly closed by a finger, and an operation toward the closing direction of the first binding ring 12. And a second binding ring 14 as a secondary binding ring.
The first binding ring 12 and the second binding ring 14 are configured so that the binding ring locking portion 50 can be removed with a finger in the same direction (O1 and O2 directions in FIG. 11). Has been.
The convex part 52a of the front end constituting the binding ring locking part 50 formed at the front end of the first binding member 12a constituting the first binding ring 12, the concave part 52b following the convex part 52a, and the second binding The convex portion 54a at the tip constituting the binding ring locking portion 50 of the member 12b and the concave portion 54b following the convex portion 54a at the tip are directed in opposite directions so as to engage when the first binding ring 12 is closed. Protruding or recessed.
The convex portion 52a and the convex portion 54a are connected to the inclined facing surface 52c having the curved convex surface and the inclined facing surface 54c having the curved convex surface from the tip to the inside, and the convex facing portion 52a. In addition, an inclined facing surface 52d and an inclined facing surface 54d that gradually enter the front end side (that is, the closing direction) from the rear end (base side) of the convex portion 54a are formed. Is formed.
The concave portion 52b includes an inclined facing surface having a curved concave surface from the base side toward the tip, and the concave portion 54b similarly includes an inclined facing surface having a curved concave surface from the base side toward the tip.
Moreover, the convex part 56a which comprises the binding ring latching | locking part 50 formed in the front-end | tip of the 3rd binding member 14a which comprises the 2nd binding ring 14, the recessed part 56b following the convex part 56a, and the 4th binding The convex portion 58a at the distal end constituting the binding ring locking portion 50 of the member 14b and the concave portion 58b following the convex portion 58a at the distal end are directed in opposite directions so as to be engaged when the second binding ring 14 is closed. Protruding or recessed.
The convex portion 56a and the convex portion 58a are connected to the inclined facing surface 56c having the curved convex surface and the inclined facing surface 58c having the curved convex surface, and the inclined facing surface 56c and the inclined facing surface 58c, respectively. In addition, an inclined facing surface 56d and an inclined facing surface 58d that gradually enter the front end side (that is, the closing direction) from the rear end (base side) of the convex portion 58a are formed, and the vicinity of the rear end is bowl-like, and the whole is in the form of a nose Is formed.
The concave portion 56b includes an inclined facing surface having a curved concave surface from the base side toward the tip, and the concave portion 58b similarly includes an inclined facing surface having a curved concave surface.

The convex part 52a that constitutes the binding ring locking part 50 of the first binding member 12a and the convex part 56a that constitutes the binding ring locking part 50 of the third binding member 14a are provided protruding in the same direction, The curved convex surface formed from the front-end | tip part to the base side is provided, and both are formed in the same shape.
Moreover, the recessed part 52b which comprises the binding ring latching | locking part 50 of the 1st binding member 12a, and the recessed part 56b which comprises the binding ring latching | locking part 50 of the 3rd binding member 14a are dented toward the same direction, A curved concave surface formed from the rear end to the base side of the convex portion 54a and the convex portion 56a is provided, and both are formed in the same shape.
The convex part 54a that constitutes the binding ring locking part 50 of the second binding member 12b and the convex part 58a that constitutes the binding ring locking part 50 of the fourth binding member 14b are provided protruding in the same direction. The curved convex surface formed from the front-end | tip part to the base side is provided, and both are formed in the same shape.
Further, the concave portion 54b constituting the binding ring locking portion 50 of the second binding member 12b and the concave portion 58b constituting the binding ring locking portion 50 of the fourth binding member 14b are formed to be recessed in the same direction. The convex part 54a and the convex concave part 58a are provided with the curved concave surface formed from the rear end to the base side, and both are formed in the same shape.
The convex portions 52a and concave portions 52b of the first binding member 12a and the convex portions 54a and concave portions 54b of the second binding member 12b are formed point-symmetrically, and the convex portions 56a and concave portions 56b of the third binding member 14a and the first The convex portions 58a and the concave portions 58b of the fourth binding member 14b are formed point-symmetrically.

The inclined facing surface 52c of the convex portion 52a and the inclined facing surface of the recessed portion 54b of the first binding member 12a are formed so as to be oblique to the axial direction of the first binding ring 12, and when opening and closing, the inclined facing surface 52c and the inclined opposing surface of the recessed part 54b contact | connect by the inscribed relationship which shares one point.
The inclined facing surface 52c of the convex portion 52a and the inclined facing surface 54c of the convex portion 54a of the first binding member 12a are formed so as to be oblique to the axial direction of the first binding ring 12, and are inclined when opened and closed. The opposing surface 52c and the inclined opposing surface 54c are in contact with each other with a circumscribed relationship sharing one point.
The inclined facing surface 56c of the convex portion 56a and the inclined facing surface of the recessed portion 58b of the third binding member 14a are formed so as to be oblique to the axial direction of the second binding ring 14, and are inclined facing surfaces when opening and closing. 56c and the inclined opposing surface of the recessed part 58b contact | connect by the inscribed relationship which shares one point.
The inclined facing surface 56c of the convex portion 56a of the third binding member 14a and the inclined facing surface 58c of the convex portion 58a are formed so as to be oblique to the axial direction of the second binding ring 14, and are inclined facing when opening and closing. The surface 56c and the inclined facing surface 58c are in contact with each other in a circumscribed relationship sharing one point.

The distance L1 between the highest part of the convex part 52a and the deepest part of the concave part 52b and the distance L1 between the highest part of the convex part 54a and the deepest part of the concave part 54b are when the binding ring locking part 50 is disengaged. Is a length related to
In this embodiment, the distance L1 between the highest part of the convex part 52a and the deepest part of the concave part 52b and the distance L1 between the highest part of the convex part 54a and the deepest part of the concave part 54b are the first Shorter than the sum of the distance L2 between the front edge of the binding member 12a and the hole edge 26a2 on the near side and the distance L3 between the opposite edge of the second binding member 12b and the hole edge 26b1 on the opposite side. It is comprised so that the 1st binding ring 12 can be twisted and the binding ring latching | locking part 50 can be disengaged.
Similarly, the distance L1 between the highest part of the convex part 52a and the deepest part of the concave part 52b and the distance L1 between the highest part of the convex part 54a and the deepest part of the concave part 54b are in front of the third binding member 14a. The distance L2 between the side edge and the front side hole edge 28a2 and the distance L3 between the far side of the fourth binding member 14b and the far side hole edge 28b1, are configured to be shorter than the first. The two binding rings 14 are twisted so that the binding ring locking portion 50 can be disengaged.
However, the B-side through-hole 26a and the B-side through-hole 28a are locked with the weight of the binding object S to which the binding ring locking portion 50 of the first binding member 12a in the locked state is bound. The distance L2 is shorter than the distance L1 when the first binding ring 12 and the second binding ring 14 are closed so that the movement in the direction O1 from which the part 50 is removed can be restricted. It is comprised so that it may become.

When the binding rings 12 and 14 are closed and the binding rings are twisted to open the binding rings 12 and 14, one binding member (the first binding member 12 a and the third binding member 14 a) is bound. The other binding member (the second binding member 12b and the fourth binding member 14b) disengages the binding ring locking portion 50 while moving to the near side, which is the side from which the ring locking portion 50 is disengaged. One through-hole (B-side through-hole 26a, B-side through-hole) through which one binding member (the first binding member 12a, the third binding member 14a) is inserted in order to move to the other side, which is the side 28a) is formed to allow movement of one binding member (first binding member 12a, third binding member 14a), and the other binding member (second binding member 12b, fourth binding member). 14b) and the other through hole (A side through hole 26b, A side through hole) Hole 28b) is formed so as to permit movement of the other binding member (the second binding member 12b, a fourth binding member 14b).
The movement restricting portion is formed to allow movement of one binding member (the first binding member 12a and the third binding member 14a), and the other binding member (the second binding member 12b and the fourth binding member). It is formed to allow movement of member 14b).
Then, an overload is applied only to the binding rings 12 and 14 in the direction of releasing the engagement of the binding ring locking portion 50 of one binding member (the first binding member 12a and the third binding member 14a) of the binding object S. When applied, one of the binding members (the first binding member 12a and the third binding member 14a) is inserted into one of the through holes (B side through hole 26a, B side through hole 28a). One binding member (first binding member 12a, third binding member 14a) moved to the side of disengaging the binding ring locking portion 50 of the members (first binding member 12a, third binding member 14a). ) And the other through-hole (A-side through-hole 26b, A-side through-hole) inserted through the other binding member (second binding member 12b, fourth binding member 14b). The hole 28b) is formed on the other binding member (second binding member 12b, fourth binding member). The material 14b) is formed to allow further movement toward the one of the stopped binding members (the first binding member 12a and the third binding member 14a), and the movement restricting portion includes: One binding member (the first binding member 12a, the third binding member 14a) is moved to the side of releasing the engagement of the binding ring locking portion 50 (the first binding member 12a, the third binding member 14a). The other binding members (the second binding member 12b and the fourth binding member 14b) are further allowed to move toward the binding member 14a).

  In the binding ring locking portion 50, the locking convex portions (the convex portion 52a and the convex portion 56a) of one binding member (the first binding member 12a and the third binding member 14a) protrude toward the other side. And the latching convex part (convex part 54a, convex part 58a) of the other binding member (the 2nd binding member 12b, the 4th binding member 14b) protrudes toward this side, and the binding ring latching part 50 When the binding ring which is disengaged and is closed is twisted and opened, the locking convex portions (the convex portions 52a and the convex portions 56a) of one of the binding members (the first binding member 12a and the third binding member 14a). ) Is moved in the direction opposite to the direction in which the first binding member protrudes (the first binding member 12a and the third binding member 14a) and the other binding member (second binding member 12b and fourth binding member). Of the binding member 14b) of the binding member 14b) is protruding. The other binding member (the second binding member 12b, the fourth binding member 14b) is moved toward the opposite side to the one binding member (the first binding member 12a, the third binding member 14a). The engaging protrusions (protrusions 52a, 56a) are disengaged from the engaging recesses (recesses 54b, 58b) of the other binding member (second binding member 12b, fourth binding member 14b) and The locking convex portions (the convex portions 54a and the convex portions 58a) of the other binding member (the second binding member 12b and the fourth binding member 14b) are used as one binding member (the first binding member 12a and the third binding member). The member 14a) can be disengaged from the locking recess (the recess 52b and the recess 56b).

When the first binding ring 12 as the main binding ring is sandwiched between two fingers and the binding ring starts to close, the convex portions 56a of the third binding member 14a of the second binding ring 14 and the second binding ring 14 Before the concave portion 58b of the fourth binding member 14b comes into contact (see FIG. 19), the convex portion 52a of the first binding member 12a of the first binding ring 12 and the second binding of the first binding ring 12 are performed. When the convex portion 54a of the member 12b comes into contact with the first binding ring 12 and is further operated to close, the concave portion 52b of the first binding member 12a of the first binding ring 12 becomes the second binding member 12b. While sliding on the convex part 54a, the convex part 52a of the 1st binding member 12a of the 1st binding ring 12 passes the regular latching position fitted to the recessed part 54b of the 2nd binding member 12b. The convex portion 52a of the first binding member 12a is inclined to the concave portion 54b of the second binding member 12b. Ride up on the opposite surface to slide (see Fig. 20).
In this way, when the first binding ring 12 is operated in the closing direction, the convex portions 56a of the third binding member 14a of the second binding ring 14 and the fourth binding member 14b of the second binding ring 14 are moved. When the convex portion 58a abuts and further operates to close the first binding ring 12, the convex portion 56a of the third binding member 14a of the second binding ring 14 becomes convex of the fourth binding member 14b. Sliding on the inclined facing surface 58c of the portion 58a (see FIG. 19), and the convex portion 52a of the first binding member 12a of the first binding ring 12 is further inclined to the inclined facing surface of the concave portion 54b of the second binding member 12b. Is raised, the convex portion 56a of the third binding member 14a of the second binding ring 14 (the convex portion 58a of the fourth binding member 14b) becomes the concave portion 58b of the fourth binding member 14b (third binding member). It fits into the recess 56b) of 14a (see FIG. 20).
After that, when the finger is released from the first binding ring 12 and the closing force is released, the opening and closing member 40 causes the first binding ring 12 to reverse slightly in the opening direction, so that the first binding ring 12 Similarly to the binding ring 14 of the first binding member 12a, the convex portion 52a of the first binding member 12a (the convex portion 54a of the second binding member 12b) is the concave portion 54b of the second binding member 12b (the concave portion 52b of the first binding member 12a). ) (See FIG. 21).

When closing the binding ring, the first working piece 30 and the second working piece 32 gradually change from the mountain-folded state (see FIG. 15) to the planar state (see FIG. 10) and from the state in which they are aligned in the same row. Once moved in the direction in which the binding ring locking portion 50 comes off (the first working piece 30 is in the O1 direction and the second working piece 32 is in the O2 direction), they are lined up one after another (see FIG. 20). Reverse and line up in the same row.
Thereby, the restriction convex part 30g of the first working piece 30 constituting the movement restriction part moves in the restriction concave part 32f of the second working piece 32, and the binding ring locking part 50 in the restriction concave part 32f is released. The regulating convex portion 32g of the second working piece 32 that contacts the edge opposite to the side and that constitutes the movement regulating portion moves in the regulating concave portion 30f of the first working piece 30, and in the regulating concave portion 30f. It abuts on the edge opposite to the direction in which the binding ring locking portion 50 comes off (see FIG. 11). Therefore, when closing the binding ring, the convex portion 52a of the first binding member 12a of the first binding ring 12 passes through the normal stop position where the convex portion 52a is fitted into the concave portion 54b of the second binding member 12b, and When the convex portion 52a of the first binding member 12a slides on the inclined opposing surface of the concave portion 54b of the second binding member 12b and overruns, the movement distance of the first binding ring 12 is regulated appropriately. The overrun is stopped at a certain position, and when the finger is removed from the binding ring locking portion 50 of the first binding ring 12, a force to return the opening / closing member 40 to the original state acts, and the first operating piece 30. And the second operating piece 32 once moved in the direction in which the binding ring locking portion 50 is disengaged (the first operating piece 30 is in the O1 direction and the second operating piece 32 is in the O2 direction). From the reverse, they are arranged in the same row, and the binding ring locking portion 50 is fitted ( See 9,10,19,20 and 21).

As described above, when the first binding ring 12 that is the main binding ring is started to close, the second binding ring 14 that is the secondary binding ring that is not directly closed by the finger starts to move in the closing direction, and further, the first binding ring 12 is further closed. If the second binding ring 14 is engaged and the second binding ring 14 is completely locked before the first binding ring 12, the second binding ring 14 is completely locked. After the second binding ring 14 that is the secondary binding ring that is not closed by the finger is securely locked, the first binding ring 12 that is the main binding ring is securely locked.
Therefore, if the first binding ring 12 is picked so as to overrun when the first binding ring 12 is picked with a finger and moved in the first closing direction, the second binding ring 14 is surely properly connected. And can be closed only by operating the first binding ring 12.
Thus, since the 2nd binding ring 14 can be closed by operating the 1st binding ring 12 with a finger, the convenience as a one-touch binding tool is high.

Further, when the binding ring locking portion 50 of the first binding ring 12 is removed by twisting the top of the first binding ring 12 with a finger, the first operating piece 30 and the second operating piece 32 include The force that the twisted opening and closing member 40 tries to return to the original state, that is, one fixed tip 42a and the other fixed tip 42b are wound as shown in the arrow directions of FIGS. The first binding ring 12 is opened by the force acting so as to rotate in the circumferential direction of the line portion 44 and return to the original state.
And the 1st binding ring 12 and the 2nd binding ring 14 remove the binding ring latching | locking part 50 (refer FIG. 11), and the 1st action piece 30 and the 2nd action piece 32 are planar states. Is changed to the mountain fold state, and the binding ring locking portion 50 is moved in the direction of detachment (the first operating piece 30 is in the O1 direction and the second operating piece 32 is in the O2 direction) (see FIG. 14A). Thereby, the restriction convex part 30g of the first working piece 30 constituting the movement restriction part moves in the restriction concave part 32f of the second working piece 32, and the binding ring locking part 50 in the restriction concave part 32f is released. The restricting convex portion 32g of the second operating piece 32 that hits the edge opposite to the side and that constitutes the movement restricting portion moves in the restricting concave portion 30f of the first actuating piece 30, and binds in the restricting concave portion 30f. It abuts against the edge opposite to the direction of the ring locking portion 2 (see FIG. 14B).
When the hand is released from the first binding ring 12, the first binding ring 12 and the second binding ring 14 have one fixed tip 42 a and the other fixed tip 42 b of the opening / closing member 40, as shown in FIG. B) (C) As shown in the arrow direction, force is applied to the first working piece 30 and the second working piece 32 so as to rotate in the circumferential direction of the winding portion 44 and return to the original state. Thus, it is further opened (the first binding member 12a and the third binding member 14a are in the O3 direction, and the second binding member 12b and the fourth binding member 14b are in the O4 direction), and the winding portion of the opening / closing member 40 The first working piece 30 and the second working piece 32 are caused by a force acting so as to move the fixed front end portion 42a and the other fixed front end portion 42b of the opening / closing member 40 in the opposite directions in a plan view by contracting 44. Moves in the opposite direction (see FIGS. 14A and 14B).
That is, the actuating member 18 and the opening / closing member 40 act in a direction to open the convex portion 56a of the third binding member 14a and the convex portion 58a of the fourth binding member 14b constituting the second binding ring 14, and The first binding ring 12 acts in a direction to separate the convex portion 52a of the first binding member 12a and the convex portion 54a of the second binding member 12b, and the third binding ring 14 constitutes the third binding ring 14. It acts so that the convex part 56a of the binding member 14a and the convex part 58a of the 4th binding member 14b may be pulled apart.

  As described above, in this embodiment, the first binding member 12a and the second binding member 12a of the first binding ring 12 are twisted by twisting the top of the first binding ring 12 or the second binding ring 14 with a finger. The binding ring locking part 50 of the binding member 12b and the binding ring locking part 50 of the third binding member 14a and the fourth binding member 14b of the second binding ring 14 can be removed.

  The first binding member 12 a and the second binding member 12 b of the first binding ring 12, and the third binding member 14 a and the fourth binding member 14 b of the second binding ring 14. When the engagement of the binding ring locking portion 50 is released, the actuating member 18 attempts to bring the one fixed tip portion 42a and the other fixed tip portion 42b of the opening / closing member 40 closer in the circumferential direction of the winding portion 44. As a result of the acting force, the butt edge 30a of the first working piece 30 and the butt edge 32a of the second working piece 32 are in a mountain-folded state.

  When the first binding ring 12 and the second binding ring 14 are bound to the object S to be bound and the cover CO is set up in the length direction of the binding tool 10, One of the first binding member 12a and the third binding member 14a is the B-side through hole 26a and the B-side through hole 28a, and the binding ring locking portion 50 of the first binding ring 12 and the second binding ring 14 is used. The second binding member 12b and the fourth binding member 14b are not restricted from moving by the A side through hole 26b and the A side through hole 28b. The binding ring locking portion 50 of the second binding member 12b bites into the binding ring locking portion 50 of the first binding member 12a, and the binding ring locking portion 50 of the fourth binding member 14b is the third binding member 14a. The first binding ring by biting into the binding ring locking portion 50 of the first binding ring 2 and the second binding ring 14 is prevented from opening by disengagement.

Next, a method for loading the actuating member 18 into the holding space of the holding member 16 will be described mainly with reference to FIGS.
Before the holding member 16 is loaded with the first working piece 30 and the second working piece 32, the first holding portion 60 and the first holding portion 62 and the second holding portion of the first holding wall 24a are provided. The second holding portion 64 and the second holding portion 66 of the wall 24b bulge outward from other regions of the first holding wall 24a and the second holding wall 24b (FIG. 22B )reference).
That is, the first holding wall 24a is between the lower edge of the first holding wall 24a for forming the first holding portion 60 and the first holding portion 62 in the vicinity of the through hole 26 on the far side. A narrow cut 68a and a cut 70a are formed at intervals, and a region between the cut 68a and the cut 70a and the lower edge of the first holding wall 24a is punched outward from the first holding wall 24a. The first holding part 60 and the first holding part 62 are formed (see FIG. 22B).
Further, the second holding wall 24b is between the lower edge of the second holding wall 24b for forming the second holding portion 64 and the second holding portion 66 in the vicinity of the through hole 28 on the near side. A narrow cut 72a and a cut 74a are formed at intervals, and a region between the cut 72a and the cut 74a and the lower edge of the second holding wall 24b is punched outward from the second holding wall 24b. Then, the second holding portion 64 and the second holding portion 66 are formed (see FIG. 22A).
When loading the operating member 18 into the holding space of the holding member 16, first, the first operating piece 30 is loaded into the holding member 16, and then the second working piece 32 is loaded into the holding member 16. (See FIG. 23A).
At this time, the protruding portion 30c1 of the first working piece 30 is located inside the first holding portion 60, the protruding portion 30c2 of the first working piece 30 is located inside the first holding portion 62, and the second The protrusion 32 c 1 of the operating piece 32 is positioned inside the second holding part 64, and the protruding part 32 c 2 of the second operating piece 32 is positioned inside the second holding part 66.
Next, the first holding unit 60, the first holding unit 62, the second holding unit 64, and the second holding unit 66 are directed toward the inside of the first holding wall 24a and the second holding wall 24b. The first holding portion 60, the first holding portion 62, the second holding portion 64, and the second holding portion 66 having a planar arc shape are formed (see FIG. 23B).
Thus, the first holding portion 60 holds the lower surface of the protruding portion 30c1, the first holding portion 62 holds the lower surface of the protruding portion 30c2, and the second holding portion 64 holds the lower surface of the protruding portion 32c1. The portions 66 are formed so as to hold the lower surfaces of the protruding portions 32c2. The protrusion 30c1 is outside the through hole 26 on the far side, the protrusion 30c2 is outside the through hole 28 on the near side, the protrusion 32c1 is outside the through hole 26 on the far side, and the protrusion 32c2 is on the near side. It protrudes outside from the through hole 28.

Next, a method for loading the opening / closing member 40 into the operating member 18 will be described with reference to FIGS.
In a state where the first binding ring 12 and the second binding ring 14 are closed, the first operating piece 30 and the second operating piece 32 are abutted against each other in the direction from the open state to the closed state. Applying a load to the spring in the direction of rotation about 30a and the butt edge 32a, receiving a torsional moment around the central axis of the winding portion 44 (coil), and generating bending stress on the strand, opening and closing The fixed tip 42 a is fixed to the first working piece 30 and the fixed tip 42 b is fixed to the second working piece 32.
In this case, the opening / closing member 40 is wound so that the number of turns of the winding portion 44 is increased by one or more when viewed from a state where a load such as a torsional moment is not applied to the winding portion 44 (shown in FIG. 6A). Fixed in a state where the portion 44 is twisted one or more times (the fixed tip 42a and the restricting arm 46a are in the R direction, and the fixed tip 42b and the restricting arm 46b are in the Q direction (shown in FIGS. 5 and 6A)). The tip portions 42a and 42b are fixed to the opening / closing member fixing portion 38a and the opening / closing member fixing portion 38b, respectively.
The direction of the load that applies the load to the spring is configured to face the direction in which the winding portion 44 (coil) is wound.

  According to the embodiment, the pair of operating pieces (the first operating piece 30 and the second operating piece 32) are provided with the through holes (the through hole 26 on the far side and the near side on the front side). Since the projecting portions (projecting portion 30c1, projecting portion 30c2, projecting portion 32c1, and projecting portion 32c2) that are passed through the through hole 28) are formed, the operating pieces (the first operating piece 30 and the second operating piece) 32) Stress applied to the operating pieces (the first operating piece 30 and the second operating piece 32) even if the base of the binding ring (the first binding ring 12, the second binding ring 14) is caulked, for example. The area can be increased in order to reduce Therefore, the strength of the entire operating piece (the first operating piece 30 and the second operating piece 32) can be increased.

Unlike the holding portion of the above-described embodiment, as shown in FIGS. 24 and 25, a rectangular convex portion protruding from the lower end edge of the holding wall is bent inward, and the first holding wall 24a is The first holding portion 160 and the first holding portion 162 are formed on the second holding wall 24b, and the second holding portion 164 and the second holding portion 166 are formed on the second holding wall 24b. The lower end edge of the ridge 30h and the ridge 32h formed on the second operation piece 32 (projected toward the opposite side to the direction in which the first binding ring 12 and the second binding ring 14 protrude). Are held by the first holding portion 160 and the first holding portion 162 of the first holding wall 24a, and the second holding portion 164 and the second holding portion 166 of the second holding wall 24b. May be.
The first operating piece 30 and the second operating piece 32 are arranged in the length direction of the first holding part 160 of the first holding wall 24a, the first holding part 162, and the second holding wall 24b. The upper holding surfaces of the second holding portion 164 and the second holding portion 166 can be slid and moved.

Unlike the above-described embodiment, the operating member may be changed as shown in FIGS.
26 and FIG. 27, the first operating piece 30 includes a base portion of the first binding ring 12 and a base portion of the second binding ring 14 which are spaced apart from each other at a position away from the butting edge 30a. A protrusion 30h extending in a direction close to the connecting direction (X1 and X2 directions in FIG. 26) is formed. In this embodiment, the first working piece 30 extends in the length direction in parallel with the direction connecting the base portion of the first binding ring 12 and the base portion of the second binding ring 14.
The protrusion 30h is provided between the protruding portion 30c1 and the protruding portion 30c2 of the outer edge 30b between the base portion of the first binding ring 12 and the base portion of the second binding ring 14 that are provided at intervals. The first binding ring 12 and the second binding ring 14 are continuously provided so as to protrude in the direction opposite to the protruding direction.
The protrusion 30h is formed by bending a flat metal plate constituting the first working piece 30 into an L-shaped cross section.
26 and 27, the second operating piece 32 is spaced from the butting edge 32a and is spaced from the base of the first binding ring 12 and the base of the second binding ring 14. A protrusion 32h is formed extending in a direction close to the direction (X1 and X2 directions shown in FIG. 26). In this embodiment, the second working piece 32 extends in the length direction in parallel with the direction connecting the base portion of the first binding ring 12 and the base portion of the second binding ring 14.
The protrusion 32h is provided between the protruding portion 32c1 and the protruding portion 32c2 of the outer edge 32b between the base portion of the first binding ring 12 and the base portion of the second binding ring 14 that are provided at intervals. The first binding ring 12 and the second binding ring 14 are continuously provided so as to protrude in the direction opposite to the protruding direction.
The protrusion 32h is formed by bending a flat metal plate constituting the second working piece 32 into an L-shaped cross section.
Therefore, the first operating piece 30 and the second operating piece 32 are prevented from being bent between the base portion of the first binding ring 12 and the base portion of the second binding ring 14 by the protrusion 30h and the protrusion 32h. The

26 and 27, the first working piece 30 is formed by reinforcing the first working piece 30 in the vicinity of the base portions of the first binding member 12a and the third binding member 14a fixed at the base portion. Bead 234a and bead 234b project toward the upper surface.
26 and 27, the second operating piece 32 is formed by reinforcing the second operating piece 32 in the vicinity of the base portions of the second binding member 12b and the fourth binding member 14b fixed at the base portion. Bead 234c and bead 234d are protruded toward the upper surface.

The bead 234a includes a first straight portion 234a1 extending in the longitudinal direction of the first operating piece 30 between the base portion of the first binding member 12a and the protruding portion 30c1, and an inner side of the protrusion 30h (the first operating piece 30). The second linear portion 234a2 extending from the vicinity of the base of the first binding member 12a in the longitudinal direction of the first binding member 12a, the inner end of the first linear portion 234a1 and the second It has a slanted line portion 234a3 connecting with the outer end of the straight line portion 234a2, and is formed by projecting a straight convex portion having a certain width from the lower surface of the first operating piece 30 toward the upper surface.
The bead 234b includes a first straight portion 234b1 extending in the longitudinal direction of the first operating piece 30 between the base portion of the third binding member 14a and the protruding portion 30c2, and an inner side of the protrusion 30h (the first operating piece 30). The second linear portion 234b2 extending in the longitudinal direction of the first operating piece 30 from the vicinity of the base portion of the third binding member 14a, the inner end of the first linear portion 234b1, and the second end. A slanted line portion 234b3 connecting the outer end of the straight line portion 234b2 is provided, and a straight convex portion having a constant width is projected from the lower surface of the first operating piece 30 toward the upper surface.
The bead 234c includes a first straight portion 234c1 extending in the longitudinal direction of the second operating piece 32 between the base portion of the second binding member 12b and the protruding portion 32c1, and an inner side of the protrusion 32h (second operating piece 32). The second linear portion 234c2 extending from the vicinity of the base of the second binding member 12b in the longitudinal direction of the second binding member 12b, the inner end of the first linear portion 234c1, and the second It has a slanted line portion 234c3 connecting the outer end of the straight line portion 234c2, and is formed by projecting a straight convex portion having a constant width from the lower surface of the second operating piece 32 toward the upper surface.
The bead 234d includes a first straight portion 234d1 extending in the longitudinal direction of the second operating piece 32 between the base portion of the fourth binding member 14b and the protruding portion 32c2, and an inner side of the protrusion 32h (second operating piece 32). The second linear portion 234d2 extending in the longitudinal direction of the second operating piece 32 from the vicinity of the base of the third binding member 14b, the inner end of the first linear portion 234d1, and the second end A slanted line portion 234d3 connecting the outer side end of the straight line portion 234d2 is provided, and a straight convex portion having a constant width is projected from the lower surface of the second working piece 32 toward the upper surface.

The cover sheet CO bends when the first binding ring 12 and the second binding ring 14 are bent when the number of objects S to be bound such as sticky notes bound to the first binding ring 12 and the second binding ring 14 increases. In order to prevent this, the following cover 310 may be used.
The front cover 310 includes a spine cover 316 for fixing the holding member of the binding tool, and a front cover 312 and a back cover 314 that are extended at both ends of the spine cover 316 so as to be openable and closable. As described above, the front cover 312 and the back cover 314 are continuously provided so as to stand up with respect to the spine 316.
The front cover 312 and the back cover 314 are provided with thin hinge portions 318A and 318B for opening and closing near the spine 316. As a configuration of the continuous portion of the front cover 312 and the back cover 314 and the back cover 316, a configuration is adopted in which a continuous portion 320 formed of a substantially V-shaped groove is formed in a plastic mold cover body and bent at the bottom of the groove. Yes. That is, as shown in FIG. 30, a substantially V-shaped groove serving as a connecting portion 320 between the front cover 312 and the back cover 314 and the back cover 316 is provided and bent at the groove bottom of the connecting portion 320 to the back cover 316. The front cover 312 and the back cover 314 are arranged continuously in an upright state. When the continuous portion 320 is used, the structure of the spine cover 316 can be changed by changing the opening angle of the continuous portion 320.

  The thin hinge portions 318A and 318B that allow opening and closing of the front cover 312 and the back cover 314 are substantially V-shaped cross sections, and are provided on the front cover 312 and the back cover 314 at positions slightly closer to the mouth from the connecting portion 320. .

  As an example of manufacturing such a cover 310 using a cover body made of a thermoplastic resin sheet material, for example, from two substantially V-shaped grooves parallel to the cover body made of a thermoplastic resin sheet material. A continuous portion 320 formed of substantially V-shaped grooves parallel to each other at a position slightly inward of the continuous disposed portion 320 and heat-press-molded. The groove bottoms are bent by applying a pressing force in a direction to close the installation portion 320. In addition to the thermoplastic resin sheet material alone, a two-layer structure of a thermoplastic resin sheet material and a cover material can also be used. Further, in this two-layer structure, if a two-layer structure of cardboard and cloth is used, a configuration in which the groove walls of the continuous portion 320 made up of substantially V-shaped grooves are bonded with an adhesive may be employed.

The front cover 312 and / or the back cover 314 is formed by inserting a part of the binding device 10 into a region facing the closed first binding ring 12 and the second binding ring 14, and the first binding ring 12. A binding ring fixing means 322 for restricting the movement of the second binding ring 14 is provided.
In the binding ring fixing means 322, the first binding ring 12 and the second binding ring 14 are inserted or loosely inserted so as to face the side surfaces on the moving side of the first binding ring 12 and the second binding ring 14. It is comprised by the through-hole or level | step difference which is made.
The binding ring fixing means 322 is a long hole extending in the rotation direction of the first binding ring 12 and the second binding ring 14, and the long hole is a fitting of the first binding ring 12 and the second binding ring 14. A pair of upper and lower linear hole edges having a length and width corresponding to the length and width of the part to be inserted or loosely inserted, and an arcuate hole connected between both left and right ends of the linear hole edge It is formed by a long hole having an edge.

The widths of the closed first binding ring 12 and the second binding ring 14 are formed wider than the back width of the back cover 316 of the cover 310 and the width between the front cover 312 and the back cover 314 facing each other in parallel. ing.
The first binding ring 12 and the second binding ring 14 extend from slightly above the base attached to the first operating piece 30 and the second operating piece 32 to slightly outside the binding ring locking part 50. The front cover 312 and the back cover 314, which are closed substantially in parallel, are inserted into elongated holes constituting the binding ring fixing means 322 formed on the front cover 312. The pair of upper and lower linear hole edges of the long hole abuts the upper and lower side surfaces of the first binding ring 12 and the second binding ring 14, and the arc-shaped hole edges correspond to the first binding ring 12 and the second binding ring. 14 abuts on the left and right circumferential surfaces.

  Then, with the front cover 312 and back cover 314 of the file binder 300 closed in parallel, the file binder 300 was set up with the first binding ring 12 as the top side and the second binding ring 14 as the ground side. When an object P to be bound such as a note bound to the first binding member 12a of the first binding ring 12 and the third binding member 14a of the second binding ring 14 is biased, an impact is applied. In other words, the first binding member 12a of the first binding ring 12 and the third binding member 14a of the second binding ring 14 are replaced by the second binding member 12b and the second binding member of the first binding ring 12, respectively. Even if the ring 14 is moved downward away from the fourth binding member 14 b, the movement of the first binding ring 12 and the second binding ring 14 is restricted by the binding ring fixing means 322, and below the binding ring fixing means 322. 1st of the 1st binding ring 12 latched by the hole edge of the side The binding member 12a, the second binding member 12b of the first binding ring 12, the third binding member 14a of the second binding ring 14, and the fourth binding member 14b of the second binding ring 14 are binding rings. The stopper 50 does not come off.

In order to attach the binding tool 10 to the cover CO, the lower end edges of the first holding wall 24a and the second holding wall 24b may be joined and attached to the attachment holes 20, 20 with bolts and nuts.
Moreover, in the said embodiment, although the two-hole type binding tool was demonstrated like the 1st binding ring 12 and the 2nd binding ring 14, the multi-hole type which increased the binding ring, for example, 3 holes It can be set as the binding tool provided with many binding rings, such as 4 holes, 20 holes, 26 holes, and 30 holes.
Corresponding to the number of binding rings, the lengths of the holding member and the actuating member are extended, and one or a plurality of through holes and the other through hole are provided between one through hole and the other through hole of the holding member. It is only necessary to form a through hole so that the binding ring fixed to the operating member can be inserted.
Further, the shape of the binding ring may be a substantially O-shape as shown in FIG. 31 instead of a substantially D-shape. In order to form the first O-shaped first binding ring 412 and the second binding ring 414, the second binding member 412 b and the fourth binding member 414 b are approximately half of which is relatively close to the above embodiment. The first binding member 412a and the third binding member 414a are formed in a substantially semicircular arc shape symmetrical to the second binding member 412b and the fourth binding member 414b, When the binding member 412a, the second binding member 412b, the third binding member 414a, and the fourth binding member 414b are closed, the binding member 412a is formed to have a substantially O-shape.

In the binding device of the embodiment, one opening / closing member is loaded corresponding to the pair of operating pieces, but a total of two opening / closing members may be loaded.
Moreover, although the 1st action piece and the 2nd action piece which comprise an action | operation member were each integrally molded, as the number of binding rings increases (4 holes, 20 holes, 26 holes, 30 holes, etc.) The first working piece and the second working piece may be divided respectively.

Next, a 4-hole perfect circle ring binding device according to another embodiment of the present invention will be described with reference to FIGS.
The binding device 510 of this embodiment has substantially the same configuration as the binding device 10 of the above embodiment, but mainly the configuration of the holding member, the configuration of the operating member, and Since the configuration of the opening / closing member is different, the following description will be made focusing on them.

  The binding tool 510 includes a pair of substantially metal first binding rings 512, a second binding ring 513, a third binding ring 514, a fourth binding ring 515, and the first binding ring. The holding member 516 having a length capable of providing the 512 and fourth binding rings 515 at intervals, and the first binding ring 512 and the fourth binding ring 515 on the surface thereof are spaced apart from each other. The first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515 are movable inside the holding member 516 so as to be fixed to the holding member 516. And an actuating member 518 that is freely fixed.

The binding ring includes four binding rings of a first binding ring 512, a second binding ring 513, a third binding ring 514, and a fourth binding ring 515 for the four-hole type. The first binding ring 512 includes a first binding member 512a and a second binding member 512b, and the second binding ring 513 includes a third binding member 513a and a fourth binding member 513b. The binding ring 514 includes a fifth binding member 514a and a sixth binding member 514b, and the fourth binding ring 515 includes a seventh binding member 515a and an eighth binding member 515b.
Then, the first binding member 512a and the second binding member 512b are inserted so that the binding object S such as a sheet can be bound by being inserted into a binding hole previously formed in the binding object S such as a sheet. The leading ends of the third binding member 513a and the fourth binding member 513b, the leading ends of the fifth binding member 514a and the sixth binding member 514b, and the seventh binding member 515a and the eighth binding member. A binding ring locking portion 550 is formed at the tip of 515b, that is, at the top of the first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515.
The first binding member 512a and the second binding member 512b constituting the first binding ring 512 are the binding ring locking portion 550 of the first binding member 512a and the binding ring engagement of the second binding member 512b. By engaging the stop portion 550, it is engaged in an annular shape.
Further, the fifth binding member 514a and the sixth binding member 514b constituting the third binding ring 514 are the binding ring locking portion 550 of the fifth binding member 514a and the binding ring of the sixth binding member 514b. By locking the locking portion 550, the ring is engaged in an annular shape.

The holding member 516 has a length that can provide the first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515 at a predetermined interval, and is substantially planar. Thus, both ends, that is, in the vicinity of the attachment holes 520 attached to the cover CO, are formed in a substantially semicircular arc shape.
The holding member 516 includes a holding space inside the binding object mounting portion 522, and is configured to accommodate the operation member 518 and the like in the space.
At both ends of the binding object mounting portion 522 of the holding member 516, holding walls 524 that hold the operating member 518 slidably are provided substantially from one end to the other end in the longitudinal direction. In this embodiment, in the longitudinal direction of the holding member 516, the first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515 are arranged closer to the inside than the outside. The first holding wall 524a and the second holding wall 524b are continuously provided so as to hang down over substantially the whole, and the first holding wall 524a and the second holding wall 524b are parallel and substantially the same shape. It is a plate shape. In the holding space surrounded by the first holding wall 524a and the second holding wall 524b and the binding object mounting portion 522, an operation member 518 and the like described in detail later are accommodated.

A first binding ring 512 and a second binding ring 513 are spaced apart from each other by a fixed distance (a fixed length determined by Japanese Industrial Standards) on the binding object mounting portion 522 of the holding member 516. And a through hole 526 on one side and a through hole 527 on the other side of the other side are respectively drilled, and the third binding ring 514 and the fourth binding ring 515 are fixed to each other. A third through-hole 528 and a fourth through-hole 529 are formed in order to penetrate freely at intervals (a fixed length determined by Japanese Industrial Standards).
One through hole 526, the second through hole 527, the third through hole 528, and the other through hole 529 on the other side correspond to the binding members constituting the respective binding rings, and the holding members The B-side through holes 526a, 527a, 528a, and 529a and the A-side through holes 526b, 527b, 528b, and 529b are formed with a predetermined interval divided into left and right in the width direction 516.
The B-side through holes 526a, 527a, 528a, and 529a penetrate the first binding member 512a, the third binding member 513a, the fifth binding member 514a, and the seventh binding member 515a, and the length direction of the holding member 16 The first binding member 512a, the third binding member 513a, the fifth binding member 514a, and the seventh binding member 515a are provided with intervals at which the first binding member 512a, the third binding member 513a, and the seventh binding member 515a can be moved in the holes, and the A side through holes 526b, 527b, 528b and 529b penetrate the second binding member 512b, the fourth binding member 513b, the sixth binding member 514b, and the eighth binding member 515b, and the second binding member 512b in the length direction of the holding member 16; The fourth binding member 513b, the sixth binding member 514b, and the eighth binding member 515b are provided with intervals that can be moved in the hole. The A-side through holes 526b, 527b, 528b, and 529b and the B-side through holes 526a, 527a, 528a, and 529a are substantially U-shaped in plan view and have a hole edge on the far side continuing from the opening portion and a hole edge on the near side. .
The A side through holes 526b, 527b, 528b, and 529b are symmetrical with the B side through holes 526a, 527a, 528a, and 529a.
The B side through hole 526a, the B side through hole 527a, the B side through hole 528a, and the B side through hole 529a have the same shape, and the A side through hole 526b, the A side through hole 527b, the A side through hole 528b, and the A side The through hole 529b has the same shape.

The positions of the B side through holes 526a, 527a, 528a, 529a and the A side through holes 526b, 527b, 528b, 529b in the length direction of the holding member 16 are changed, and the B side through holes 526a, 527a, 528a, The near side edge of 529a is located on the far side from the near side edges of the A side through holes 526b, 527b, 528b, and 529b.
In this embodiment, when the first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515 are closed, the second binding member 512b, B-side through-holes 526a and 527a on the front side opposite to the direction O2 in which the disengagement of the binding ring locking portion 50 of the binding member 513b, the sixth binding member 514b, and the eighth binding member 515b is removed. , 528a, 529a, the binding edges of the first binding member 512a, the third binding member 513a, the fifth binding member 514a, and the seventh binding member 515a are disengaged from the outer edge of the hole. It is located on the near side from the hole edge on the near side of the A-side through holes 526b, 527b, 528b, and 529b on the direction O1 side.

The operation piece constituting the operation member 518 has a pair of left and right operation pieces 530 and operation pieces 532 which are formed longer than the operation pieces of the binding device of the above-described embodiment.
In the first operating piece 530, the bases of the first binding member 512a, the third binding member 513a, the fifth binding member 514a, and the seventh binding member 515a are fixed.
The second operating piece 532 has the bases of the second binding member 512b, the fourth binding member 513b, the sixth binding member 514b, and the eighth binding member 515b fixed.

The engagement surface of the first engagement portion 536a of the first operation piece 530 and the engagement surface of the second engagement portion 536b of the second operation piece 532 are substantially the same as the reference surface LP1 and the reference surface LP2. Are engaged at the same or lower height.
The engagement surface of the first engagement portion 536a of the second operation piece 532 and the engagement surface of the second engagement portion 536b of the first operation piece 530 are substantially the same as the reference surface LP1 and the reference surface LP2. Are engaged at the same or lower height.
The first engaging portion 536a includes a first engaging portion 536a1 on the far side of the first operating piece, a first engaging portion 536a2 on the near side of the first operating piece, and a first engaging portion on the near side of the second operating piece. 536a3 and a second working piece opposite first engagement portion 536a4.
The second engagement portion 536b includes a second engagement portion 536b1 on the far side of the second working piece, a second engagement portion 536b2 on the near side of the second working piece, and a second engagement on the near side of the first working piece. Part 536b3 and the second working part 536b4 beyond the first working piece.

  The first actuating piece 530 and the second actuating piece 532 include a first actuating piece-side recess 730d, a first actuating-side recess portion center 730e, and a second actuating piece-side recess portion. 732d and a front side recessed portion 732e of the second working piece are formed, and a first side working portion 536a1 of the first working piece is formed in the far side recessed portion 730d of the first working piece. A second engagement piece 536b1 on the other side of the second operation piece is formed in the depression 732d on the other side of the second operation piece, and a second front side of the second operation piece is formed on the front depression 732e of the second operation piece. The first engaging portion 536a3 is formed, the first working piece near side second engaging portion 536b3 is formed in the near side recessed portion 730e of the first working piece, and the near side recessed portion 730e of the first working piece is formed. Is formed with a first engaging portion 536a2 on the near side of the first operating piece, and the second operating portion The front side second engaging portion 536b2 of the second operating piece is formed in the front side recessed portion 732e, and the second operating piece beyond the first engaging portion on the far side recessed portion 732d of the second operating piece. 536a4 is formed, and the second engaging portion 536b4 on the other side of the first operating piece is formed in the recess 730d on the other side of the first operating piece.

The first recess 730d of the first operating piece, the recess 732d of the second operating piece, the front recess 730e of the first operating piece, and the front recess 732e of the second operating piece are the first In the length direction of the working piece 530 and the second working piece 532, the working piece 530 and the second working piece 532 are divided into upper and lower portions and formed in two pairs.
Further, the first engagement piece 536a1 beyond the first working piece, the first engagement piece 536a4 beyond the second working piece, the first engagement piece 536a2 near the first working piece, and the second engagement piece 536a2. The first engagement portion 536a3 on the near side of the operating piece is also formed in two pairs of upper and lower parts in the longitudinal direction of the first operating piece 530 and the second operating piece 532.
The movement restricting portion is configured in the same manner as the embodiment shown in FIG. 2, and the restricting concave portions 530f and 532f and the restricting convex portions 530g and 532g are formed in the same manner.

The movement restricting portion includes a restricting recess 530f and a restricting protrusion 530g formed on the butting edge 530a of one first operating piece 530, and a restricting recess 532f formed on the butting edge 532a of the other second operating piece 532. And the restricting convex portion 532g, but the first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515 are closed at the binding ring locking portion 550. When the restriction concave portion 530f of one of the first operating pieces 530 is formed, the other binding member (second binding member 512b, fourth binding member 513b, 6, the binding member 514 b and the eighth binding member 515 b) are formed to have a length that allows the movement of the restricting convex portion 532 g of the other second operating piece 532.
In this embodiment, the length of the restriction recess 530f formed in the butt edge 530a of the first working piece 530 is the same as that of the first working piece 530 and the second working piece 532 in the length direction. The length of the restricting convex portion 532g projecting from the butting edge 532a of the second actuating piece 532 is longer than the length of the restricting convex portion 532g of the second actuating piece 532. In the length direction of the second working piece 532 and the first working piece 530, the length is longer than the length of the restricting convex portion 530 g provided on the butting edge 530 a of the first working piece 530.
Thus, when the object to be bound S is bound into the first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515, the length direction of the binding tool 510. When a load is applied only downward (near side), the second binding member 512b, the fourth binding member 513b, the sixth binding member 514b, and the eighth binding member are used in the binding ring locking portion 550. 515b is displaced toward the locked first binding member 512a, third binding member 513a, fifth binding member 514a, and seventh binding member 515a (downward (toward this side)). Then, the first binding member 512a, the third binding member 513a, the fifth binding member 514a, and the seventh binding member 515a bite strongly into the binding ring locking portion 550, and the binding ring is weighted with the weight of the binding object S. The locking part 550 is not disengaged.

  Moreover, the positions of the through hole 526 on the far side of the holding member 516, the through hole 527 on the near side, the third through hole 528, and the fourth through hole 529 are changed in the length direction of the holding member 516. In combination with this, the binding ring locking portion 550 of the first binding ring 512, the second binding ring 513, the third binding ring 514, and the fourth binding ring 515 is weighted by the binding object S. When a load is applied only downward (front side) in the length direction of the binding tool 510, disengagement can be prevented.

The opening / closing member 540 is fixed so as to cross the butt edge 530a and the butt edge 532a across the opening / closing member fixing portion 538a1 of the first operating piece 530 and the opening / closing member fixing portion 538b1 of the second operating piece 532. The opening / closing member 542 is fixed so as to cross the butt edge 530a and the butt edge 532a across the opening / closing member fixing portion 538a2 of the first operating piece 530 and the opening / closing member fixing portion 538b2 of the second operating piece 532. Is done.
The fixed tip 540a of the opening / closing member 540 is fixed to the opening / closing member fixing portion 538a1 of the first operating piece 530, and the fixed tip portion 540b is fixed to the opening / closing member fixing portion 538b1 of the second operating piece 532, respectively. The distal end portion 542a is fixed to the opening / closing member fixing portion 538a2 of the first operating piece 530, and the fixed leading end portion 542b is fixed to the opening / closing member fixing portion 538b2 of the second operating piece 532, respectively.

The first actuating piece 530 is connected to the base of the first binding ring 512 and the base of the fifth binding ring 515 that are spaced apart from the butting edge 530a (see FIG. 34 ridges 530h extending in a direction close to (X1 direction and X2 direction in FIG. 34) are formed. In this embodiment, the first working piece 530 extends in the length direction in parallel with the direction connecting the base of the first binding ring 512 and the base of the fifth binding ring 515.
The protrusion 530h is continuous between the base portion of the first binding ring 512 and the base portion of the fifth binding ring 515 provided at intervals, except for the vicinity of the protruding portion 530c3 at the outer edge 530b. Thus, the first binding ring 512 and the fifth binding ring 515 are protruded toward the opposite side of the protruding direction.
The protrusion 530h is formed by bending a flat metal plate constituting the first operating piece 530 into an L-shaped cross section.
In addition, the second operating piece 532 is connected to the base of the first binding ring 512 and the base of the fifth binding ring 515 provided at a distance from the butting edge 532a. A protrusion 532h extending in a direction close to (in the direction of X1 and X2 in FIG. 34) is formed. In this embodiment, the second working piece 532 extends in the length direction in parallel with the direction connecting the base portion of the first binding ring 512 and the base portion of the fifth binding ring 515.
The protrusion 532h is continuous between the base portion of the first binding ring 512 and the base portion of the fifth binding ring 515 provided at intervals, except for the vicinity of the protruding portion 530c3 at the outer edge 532b. Thus, the first binding ring 512 and the fifth binding ring 515 are protruded toward the opposite side of the protruding direction.
The protrusion 532h is formed by bending a flat metal plate constituting the second operating piece 532 into an L-shaped cross section.
Therefore, the first operating piece 530 and the second operating piece 532 are prevented from being bent between the base portion of the first binding ring 512 and the base portion of the fifth binding ring 515 by the protrusions 530h and the protrusions 532h. The

The first operating piece 530 reinforces the first operating piece 530 in the vicinity of the base of the first binding member 512a and the seventh binding member 515a fixed at the base and the vicinity of the central protrusion 530c3. In order to reduce the bending, a bead 534a, a bead 534b, and a bead 534e are protruded toward the upper surface.
The second operating piece 532 reinforces the second operating piece 532 in the vicinity of the base of the second binding member 512b and the eighth binding member 515b fixed at the base and in the vicinity of the central protrusion 532c3. In order to reduce the bending, a bead 534c, a bead 534d, and a bead 534f are projected toward the upper surface.

The bead 534a includes a first linear portion 534a1 extending in the longitudinal direction of the first operating piece 530 between the base portion of the first binding member 512a and the protruding portion 530c1, and an inner side of the protrusion 530h (the first operating piece 530). The second linear portion 534a2 extending from the vicinity of the base of the first binding member 512a in the longitudinal direction of the first binding member 512a, the inner end of the first linear portion 534a1 and the second It has a slanted line part 534a3 connecting with the outer end of the straight line part 534a2, and is formed by projecting a linear convex part having a constant width from the lower surface of the first operating piece 530 toward the upper surface.
The bead 534b includes a first linear portion 534b1 extending in the longitudinal direction of the first operating piece 530 between the base portion of the seventh binding member 515a and the protruding portion 530c2, and an inner side of the protrusion 530h (the first operating piece 530). The second linear portion 534b2 extending from the vicinity of the base of the third binding member 514a in the longitudinal direction of the first binding piece 530, the inner end of the first linear portion 534b1, and the second It has a slanted line portion 534b3 connecting with the outer end of the straight line portion 534b2, and is formed by projecting a straight convex portion having a constant width from the lower surface of the first operating piece 530 toward the upper surface.
The bead 534c includes a first linear portion 534c1 extending in the longitudinal direction of the second operating piece 532 between the base portion of the second binding member 512b and the protruding portion 532c1, and an inner side of the protrusion 532h (second operating piece 532). The second linear portion 534c2 extending from the vicinity of the base of the second binding member 512b in the longitudinal direction of the second binding member 512b, the inner end of the first linear portion 534c1, and the second It has a slanted line part 534c3 connecting with the outer end of the straight line part 534c2, and is formed by projecting a linear convex part having a constant width from the lower surface of the second working piece 532 toward the upper surface.
The bead 534d includes a first linear portion 534d1 extending in the longitudinal direction of the second operating piece 532 between the base portion of the eighth binding member 515b and the protruding portion 532c2, and an inner side of the protrusion 532h (second operating piece 532). The second linear portion 534d2 extending from the vicinity of the base of the third binding member 514b in the longitudinal direction of the second binding piece 532, the inner end of the first linear portion 534d1, and the second It has a slanted line part 534d3 connecting with the outer end of the straight line part 534d2, and is formed by projecting a linear convex part having a constant width from the lower surface of the second operating piece 532 toward the upper surface.
The bead 534e is linear and is formed between the protrusion 530h and the protrusion 530h divided in the vicinity of the protrusion 530c3.
The bead 534f is linear and is formed between the protrusions 532h and 532h divided in the vertical direction in the vicinity of the protrusion 532c3.

  In the binding device of the above-described embodiment, one opening / closing member is loaded corresponding to the pair of operating pieces. However, in the binding device of this embodiment, the pair of operating pieces 530 and the operating piece is provided. Corresponding to the length of 532, a total of two opening / closing members 540 and opening / closing members 542 are loaded, one on the top and one on the bottom.

The protruding portion 530c1 is held by the first holding portion 560, the protruding portion 530c2 is held by the first holding portion 562, the protruding portion 532c1 is held by the second holding portion 564, and the protruding portion 532c2 is held by the second holding portion 566.
Further, the protruding portion 530c3 is held by the third holding portion 561, and the protruding portion 532c3 is held by the third holding portion 565, respectively.

Next, a three-hole perfect circle ring binding device according to another embodiment of the present invention will be described with reference to FIGS.
The binding device 610 of this embodiment has substantially the same configuration as that of the binding device 210 of the above embodiment, but mainly the configuration of the holding member, the configuration of the operating member, and Since the configuration of the opening / closing member is different, the following description will be made focusing on them.

  The binding tool 610 includes a pair of substantially annular metal first binding ring 612, second binding ring 613, and third binding ring 614, and the first binding ring 612 to the third binding ring. A holding member 616 having a length capable of providing 614 at intervals, and a first binding ring 612 to a third binding ring 614 on the surface of the holding member 616 and the respective bases thereof are fixed at intervals. The first binding ring 612, the second binding ring 613, and the third binding ring 614 include an operation member 618 movably fixed inside the holding member 616 so as to be fixed to the holding member 616.

The binding ring is composed of three binding rings of a first binding ring 612, a second binding ring 613, and a third binding ring 614 for the three-hole type. The first binding ring 612 includes a first binding member 612a and a second binding member 612b, and the second binding ring 613 includes a third binding member 613a and a fourth binding member 613b. The binding ring 614 includes a fifth binding member 614a and a sixth binding member 614b.
Then, the first binding member 612a and the second binding member 612b are configured so that the binding object S such as a sheet can be bound by being inserted into a binding hole previously formed in the binding object S such as a sheet. , The third binding member 613a and the fourth binding member 613b, and the fifth binding member 614a and the sixth binding member 614b, that is, the first binding ring 612 and the second binding member 614b. A binding ring locking portion 650 is formed at the top of the binding ring 613 and the third binding ring 614.

The first binding ring 612, the second binding ring 613, and the third binding ring 614 constituting the binding ring are made of a metal wire having a circular cross section in a direction in which the binding ring locking portion 650 is removed (O1 in FIG. 38). And the O2 direction), and the center portion is pressed to bend the binding ring in the closing direction. The first binding ring 612, the second binding ring 613, and the third binding ring 614 are arranged in the direction in which the center opens the binding ring (the first binding member 612a, the third binding member 613a, and the fifth binding ring). The member 614a swells in the O3 direction in FIG. 38, the second binding member 612b, the fourth binding member 613b, and the sixth binding member 614b in the O4 direction in FIG. It is formed in a curved bean shape.
That is, when the first binding ring 612, the second binding ring 613, and the third binding ring 614 are viewed in the opening and closing direction, the first binding ring 612, the second binding ring 613, and the third binding ring are viewed. A wavy relief surface is formed on the inner side of 614, and the outer sides of the first binding ring 612, the second binding ring 613, and the third binding ring 614 are formed in a semicircular arc shape. The first binding ring 612, the second binding ring 613, and the third binding ring 614 are formed in a semicircular shape on both outer sides when viewed in the direction of removing the binding ring.
Conventional cross-section round binding rings are less susceptible to deformation if they have a small diameter, while large diameters increase the cross-sectional area and increase material costs. Since there are many round holes in the binding hole in S, it is difficult to correspond to the binding hole of the binding object S such as paper, and the binding hole of the binding object S such as paper may be damaged.
However, if the first binding ring 612, the second binding ring 613, and the third binding ring 614 constituting the binding ring are thin, the binding ring locking portion 650 may not be fitted properly.
Therefore, although it is desired to increase the width of the first binding ring 612, the second binding ring 613, and the third binding ring 614, the original metal wire rod can be used even if an original wire rod having a small cross-sectional area is used. It is desirable to secure the necessary width for the binding ring by processing.
Therefore, the binding ring according to the present invention increases the overall width by pressing the central portion of the wire forming the wire rod and crushing the wire into a bean shape, that is, the entire width of the binding ring is increased. The locking portion 650 is widened in the direction of removing, and is formed so that the binding ring locking portion 650 can be completely fitted.

The holding member 616 is a substantially rectangular plane having a length that allows the first binding ring 612, the second binding ring 613, and the third binding ring 614 to be provided at a predetermined interval. In the vicinity of the attachment hole 620 attached to the CO, it is formed in a substantially semicircular arc shape on a plane.
The holding member 616 includes a holding space inside the binding object mounting portion 622, and is configured to accommodate the operation member 618 and the like in the space.
At both ends of the binding object mounting portion 622 of the holding member 616, holding walls 624 are provided for slidably holding the operating member 618 from one end to the other end in the longitudinal direction. In this embodiment, in the longitudinal direction of the holding member 616, the first binding ring 612, the second binding ring 613, and the third binding ring 614 are suspended substantially from the outside to the inside. In this way, the first holding wall 624a and the second holding wall 624b are connected in series, and the first holding wall 624a and the second holding wall 624b are parallel and have substantially the same plate shape. In the holding space surrounded by the first holding wall 624a and the second holding wall 624b and the binding object mounting portion 622, an operation member 618 and the like described in detail later are accommodated.

In the binding object mounting portion 622 of the holding member 616, the first binding ring 612, the second binding ring 613, and the third binding ring 614 are arranged at a constant interval (determined by Japanese Industrial Standards or the like). One through-hole 626, the other through-hole 627, and the third through-hole 628 are drilled in order to loosen with a certain length).
One through-hole 626, the second through-hole 627, and the other through-hole 628 on the other side correspond to the binding members that form the respective binding rings, and are arranged laterally in the width direction of the holding member 616. Two B-side through-holes 626a, 627a, and 628a and two A-side through-holes 626b, 627b, and 628b are formed at a predetermined interval.
The B-side through holes 626a, 627a, and 628a penetrate the first binding member 612a, the third binding member 613a, and the fifth binding member 614a, and the first binding member 612a and the first binding member 616a in the length direction of the holding member 616. The A-side through holes 626b, 627b, and 628b are provided with an interval through which the third binding member 613a and the fifth binding member 614a can be moved in the hole, and the second binding member 612b and the fourth binding member 613b. , The interval at which the sixth binding member 614b can penetrate and the second binding member 612b, the fourth binding member 613b, and the sixth binding member 614b can move in the hole in the length direction of the holding member 616. Prepare. The B-side through-holes 626a, 627a, 628a and the A-side through-holes 626b, 627b, 628b are substantially U-shaped in plan view and have a hole edge on the far side and a hole edge on the near side continuing from the opening portion.
The A-side through-holes 626b, 627b, 628b are symmetrical with the B-side through-holes 626a, 627a, 628a, and have a substantially U shape in plan view and a hole edge on the far side and a hole edge on the near side that continue from the opening portion. Have.
The B side through hole 626a, the B side through hole 627a, and the B side through hole 628a have the same shape, and the A side through hole 626b, the A side through hole 627b, and the A side through hole 628b have the same shape.

The positions of the B side through holes 626a, 627a, 628a and the A side through holes 626b, 627b, 628b in the length direction of the holding member 16 are changed, and the front side edges of the B side through holes 626a, 627a, 628a are changed. It is located beyond the near side edge of the A side through holes 626b, 627b, 628b.
In this embodiment, when the first binding ring 612, the second binding ring 613, and the third binding ring 614 are closed, the second binding member 612b, the fourth binding member 613b, The front edge of the B-side through-holes 626a, 627a, and 628a, which is opposite to the direction O2 in which the binding ring locking portion 50 of the binding member 614b is disengaged, is the first binding member. 612a, the third binding member 613a, the front edge of the A-side through holes 626b, 627b, 628b on the side of the direction O1 in which the binding ring locking portion 50 of the fifth binding member 614a is disengaged It is located on the near side.

The operating piece constituting the operating member 618 has a pair of left and right operating pieces, like the operating piece of the binding device 10 of the above embodiment.
The first operating piece 630, the second binding member 612b, the fourth binding member 613b, and the sixth binding member 612a, the bases of the third binding member 613a, and the fifth binding member 614a are fixed. The second operating piece 632 to which the base portion of the binding member 614b is fixed is formed substantially the same as the first operating piece 530 and the second operating piece 532 of the above embodiment.

The engagement surface of the first engagement portion 636a of the first operation piece 630 and the engagement surface of the second engagement portion 636b of the second operation piece 632 are substantially the same as the reference surface LP1 and the reference surface LP2. Are engaged at the same or lower height.
The engagement surface of the first engagement portion 636a of the second operation piece 632 and the engagement surface of the second engagement portion 36b of the first operation piece 630 are substantially the same as the reference surface LP1 and the reference surface LP2. Are engaged at the same or lower height.
The first engaging portion 636a includes a first engaging portion 636a1 on the far side of the first operating piece, a first engaging portion 636a2 on the near side of the first operating piece, and a first engaging portion on the near side of the second operating piece. 636a3 and the second working piece beyond the first engaging portion 636a4.
The second engagement portion 636b includes a second engagement portion 636b1 beyond the second operation piece, a second engagement portion 636b2 on the near side of the second operation piece, and a second engagement on the near side of the first operation piece. Part 636b3 and the second working part 636b4 beyond the first working piece.
In this embodiment, the first engaging portion 636a and the second engaging portion 636b are also formed at the center in the longitudinal direction of the first operating piece 630 and the second operating piece 632.
The first engaging portion 636a and the second engaging portion 636b at the center are the recessed portion 830d5 and the first engaging portion 636a5 at the center of the first operating piece, and the recessed portion 832d5 and the first engaging portion of the second operating piece, respectively. A portion 636a6 is formed.

The first actuating piece 630 and the second actuating piece 632 include a first actuating piece-side recess 830d, a first actuating piece-side recess 830e, and a second actuating piece-side recess 832d. And a second recess 832e on the near side of the second working piece, and a first engagement piece 636a1 on the far side of the first working piece is formed in the far side recess 830d of the first working piece, and the second A second engagement piece 636b1 on the other side of the second working piece is formed in the recessed part 832d on the other side of the second working piece, and a first front side of the second working piece is provided on the near side recessed part 832e of the second working piece. An engaging portion 636a3 is formed, a near-side second engaging portion 636b3 of the first operating piece is formed in the near-side recessed portion 830e of the first operating piece, and a near-side recessed portion 832e of the second operating piece is formed. A first engaging portion 636a2 on the front side of the first operating piece is formed, and the second operating piece is A front side second engaging portion 636b2 of the second operating piece is formed in the front side recessed portion 832e, and a far side first engaging portion 636a4 of the second operating piece is provided in the far side recessed portion 832d of the second operating piece. The second working portion 636b4 on the far side of the first operating piece is formed in the recessed portion 830d on the far side of the first working piece.
The movement restricting portion is configured in the same manner as the embodiment shown in FIG. 2, and the restricting concave portions 630f and 632f and the restricting convex portions 630g and 632g are formed in the same manner.

The movement restricting portion includes a restricting recess 630f and a restricting convex portion 630g formed on the butting edge 630a of one first operating piece 630, and a restricting recess 632f formed on the butting edge 632a of the other second actuating piece 632. And the restricting convex portion 632g, when the first binding ring 612, the second binding ring 613, and the third binding ring 614 are closed at the binding ring locking portion 650, one of the first binding rings 612g is closed. The restricting recess 630f of the operating piece 630 has a restricting protrusion 632g of the other second operating piece 632 so as to allow the other binding member to move in the direction in which the locked binding ring locking portion 650 is released. It is formed in the length which can accept | permit movement.
In this embodiment, the length of the restriction recess 630f formed in the butt edge 630a of the first working piece 630 is the same as that of the first working piece 630 and the second working piece 632 in the length direction. The length of the restricting convex portion 632g protruding from the butting edge 632a of the second actuating piece 632 is longer than the length of the restricting convex portion 632g of the second actuating piece 632. In the length direction of the second working piece 632 and the first working piece 630, the length is longer than the length of the restricting convex portion 630 g protruding from the butt edge 630 a of the first working piece 630.
Thus, when the object to be bound S is bound into the first binding ring 612, the second binding ring 613, and the third binding ring 614, only the lower side (front side) in the length direction of the binding tool 610. When the load is applied toward the first binding member 612a, the second binding member 612b, the fourth binding member 613b, and the sixth binding member 614b are locked in the binding ring locking portion 650. The first binding member 612a, the third binding member 613a, and the fifth binding member are displaced toward the third binding member 613a and the fifth binding member 614a (downward (toward the front side)). The binding ring locking portion 650 of 614a strongly bites into the binding ring locking portion 650, and the binding ring locking portion 650 is not disengaged by the weight of the binding object S.

  Moreover, the through hole 626 on the other side of the holding member 616, the second through hole 627, and the through hole 628 on the near side are coupled with the fact that the position of the holding member 616 in the length direction is changed, Further, the binding ring locking portion 650 of the first binding ring 612, the second binding ring 613, and the third binding ring 614 is downward (front side) in the length direction of the binding tool 610 with the weight of the binding object S. When a load is applied only toward the door, disengagement can be prevented.

The opening / closing member 640 crosses the butt edge 630a and the butt edge 632a obliquely across the opening / closing member fixing portion 638a1 of the first operating piece 630 and the opening / closing member fixing portion 638b1 of the second operating piece 632. The opening / closing member 642 is bridged, that is, obliquely fixed, and the opening / closing member 642 straddles the opening / closing member fixing portion 638a2 of the first operating piece 630 and the opening / closing member fixing portion 638b2 of the second operating piece 632. And it is bridge | crossed so that it may cross | intersect the butting edge 632a diagonally, ie, it fixes so that it may cross.
The fixed tip 640 a of the opening / closing member 640 is fixed to the opening / closing member fixing portion 638 a 1 of the first operating piece 630, and the fixed tip 640 b is fixed to the opening / closing member fixing portion 638 b 1 of the second operating piece 632, thereby fixing the opening / closing member 642. The distal end portion 642a is fixed to the opening / closing member fixing portion 638a2 of the first operating piece 630, and the fixed distal end portion 642b is fixed to the opening / closing member fixing portion 638b2 of the second operating piece 632, respectively.

The first operating piece 630 connects a base portion of the first binding ring 612 and a base portion of the third binding ring 614 that are spaced apart from the butting edge 630a (see FIG. 39, a protrusion 630h extending in a direction close to the X1 and X2 directions shown in FIG. In this embodiment, the first working piece 630 extends in the length direction in parallel with the direction connecting the base portion of the first binding ring 612 and the base portion of the third binding ring 614.
The protrusion 630h is continuous between the base portion of the first binding ring 612 and the base portion of the third binding ring 614 provided at intervals, except for the vicinity of the protruding portion 630c3 at the outer edge 630b. Thus, the first binding ring 612 and the third binding ring 614 are projected toward the opposite side of the protruding direction.
The protrusion 630h is formed by bending a flat metal plate constituting the first operating piece 630 into an L-shaped cross section.
The second operating piece 632 connects the base of the first binding ring 612 and the base of the third binding ring 614 that are spaced apart from the butting edge 632a. A protrusion 632h extending in a direction close to (in the direction of X1 and X2 in FIG. 39) is formed. In this embodiment, the second operating piece 632 extends in the length direction in parallel with the direction connecting the base portion of the first binding ring 612 and the base portion of the third binding ring 614.
The protrusion 632h is continuous between the base portion of the first binding ring 612 and the base portion of the third binding ring 614 provided at intervals, except for the vicinity of the protruding portion 632c3 at the outer edge 632b. Thus, the first binding ring 612 and the third binding ring 614 are projected toward the opposite side of the protruding direction.
The protrusion 632h is formed by bending a flat metal plate constituting the second operating piece 632 into an L-shaped cross section.
Therefore, the first operating piece 630 and the second operating piece 632 are prevented from being bent between the base portion of the first binding ring 612 and the base portion of the third binding ring 614 by the protrusions 630h and the protrusions 632h. The

The first operating piece 630 reinforces the first operating piece 630 in the vicinity of the bases of the first binding member 612a, the third binding member 613a, and the fifth binding member 614a fixed at the base. In order to reduce the size, a bead 634a, a bead 634b, and a bead 634e are protruded toward the upper surface.
The second operating piece 632 reinforces the second operating piece 632 in the vicinity of the bases of the second binding member 612b, the fourth binding member 613b, and the sixth binding member 614b fixed at the base. In order to reduce the size, a bead 634c, a bead 634d, and a bead 634f are provided so as to protrude toward the upper surface.

The bead 634a includes a first linear portion 634a1 extending in the longitudinal direction of the first operating piece 630 between the base portion of the first binding member 612a and the protruding portion 630c1, and the inner side of the protrusion 630h (the first operating piece 630). The second linear portion 634a2 extending from the vicinity of the base of the first binding member 612a in the longitudinal direction of the first binding member 612a, the inner end of the first linear portion 634a1 and the second It has a slanted line portion 634a3 connecting with the outer end of the straight line portion 634a2, and is formed by projecting a straight convex portion having a constant width from the lower surface of the first operating piece 630 toward the upper surface.
The bead 634b includes a first linear portion 634b1 extending in the longitudinal direction of the first operating piece 630 between the base portion of the fifth binding member 614a and the protruding portion 630c2, and an inner side of the protrusion 630h (the first operating piece 630). The second linear portion 634b2 extending from the vicinity of the base of the fifth binding member 614a in the longitudinal direction of the first binding piece 630, the inner end of the first linear portion 634b1, and the second It has a slanted line portion 634b3 connecting with the outer end of the straight line portion 634b2, and is formed by projecting a straight convex portion having a constant width from the lower surface to the upper surface of the first operating piece 630.
The bead 634c includes a first linear portion 634c1 extending in the longitudinal direction of the second operating piece 632 between the base portion of the second binding member 612b and the protruding portion 632c1, and an inner side of the protrusion 632h (second operating piece 632). The second linear portion 634c2 extending from the vicinity of the base of the second binding member 612b in the longitudinal direction of the second binding member 612b, the inner end of the first linear portion 634c1, and the second It has a hatched portion 634c3 connecting to the outer end of the straight portion 634c2, and is formed by projecting a linear convex portion having a constant width from the lower surface to the upper surface of the second operating piece 632.
The bead 634d includes a first linear portion 634d1 extending in the longitudinal direction of the second operating piece 632 between the base portion of the sixth binding member 614b and the protruding portion 632c2, and an inner side of the protrusion 632h (second operating piece 632). The second linear portion 634d2 extending in the longitudinal direction of the second operating piece 632 from the vicinity of the base of the sixth binding member 614b and the inner end of the first linear portion 634d1 and the second It has a slanted line portion 634d3 connecting with the outer end of the straight line portion 634d2, and is formed by projecting a straight convex portion having a constant width from the lower surface of the second operating piece 632 toward the upper surface.
The bead 634e is formed between the ridge 630h and the ridge 630h divided in the vertical direction between the base of the third binding member 613a and the protrusion 630c3.
The bead 634e includes a first linear portion 634e1 extending in the longitudinal direction of the first operating piece 630 between the base portion of the third binding member 613a and the protruding portion 630c3, and a fifth binding member 613a inside the protrusion 630h. A first straight line 634e2 extending from the vicinity of the base of the first working piece 630 in the longitudinal direction, and a slanted line 634e3 connecting the first straight line 634e1 and the second straight line 634e2 to each other. A straight convex portion having a constant width is projected from the lower surface of the piece 630 toward the upper surface.
The bead 634f is formed between the ridge 632h and the ridge 632h divided in the vertical direction between the base of the fourth binding member 613b and the protrusion 632c3.
The bead 634f includes a first linear portion 634f1 extending in the longitudinal direction of the second operating piece 632 between the base portion of the fourth binding member 613b and the protruding portion 632c3, and a third binding member 613b inside the protrusion 632h. A second linear portion 634f2 extending in the longitudinal direction of the second operating piece 632 from the vicinity of the base portion of the first and second diagonal portions 634f3 connecting the first linear portion 634f1 and the second linear portion 634f2 A straight protrusion having a certain width is projected from the lower surface of the piece 632 toward the upper surface.

  In the binding device of the embodiment, one opening / closing member is loaded corresponding to the pair of operating pieces. However, in the binding device of this embodiment, two opening / closing members are provided for the pair of operating pieces. The opening / closing member 640 and the opening / closing member 641 are loaded. Further, only one of the two opening / closing members 640 and 641 may be loaded.

The protrusion 630c1 is held by the first holding part 660, the protrusion 630c2 is held by the first holding part 662, the protrusion 632c1 is held by the second holding part 664, and the protrusion 632c2 is held by the second holding part 666.
Further, the protruding portion 630c3 is held by the third holding portion 661, and the protruding portion 632c3 is held by the third holding portion 665, respectively.

According to the embodiment, the pair of operating pieces are formed with the protruding portions that are passed through the through holes formed in the holding member, so that the base of the binding ring is fixed to the operating pieces, for example, by caulking. However, the area can be increased to reduce the stress applied to the operating piece. Therefore, the strength of the entire operating piece can be increased.
In addition, since the through hole through which the projecting portion of the operating piece passes and the through hole through which the binding ring passes can be made common, the structure of the holding member can be simplified and the manufacturing cost can be reduced.

The opening / closing member 40, the opening / closing member fixing portion 38a, and the opening / closing member fixing portion 38b may be changed as follows.
One fixed front end portion 42a of the opening / closing member 40 and the other fixed front end portion 42b of the opening / closing member 40 are similar in size to one fixed front end portion 42a of the opening / closing member 40 and the other fixed front end portion 42b of the opening / closing member 40. The shape may be changed, and the restriction arm portion 46a and the restriction arm portion 46b may change the length of the restriction arm portion 46a of the opening / closing member 40 and the restriction arm portion 46b of the opening / closing member 40, One of the restricting arm portions 46b may be eliminated.

The first binding ring 12 and the second binding ring 14 may be further changed as follows.
42 to 50 are illustrations of another embodiment in which the binding ring of the binding device shown in FIG. 2 is changed.

  The binding tool 10 is a metal first binding ring 12 and a second binding ring 12 that are paired with a first binding ring 12 made of a metal that has an approximately D-shaped ring shape when each of a pair of the annular binding rods is closed. The binding ring 14, the holding member 16 having a length capable of providing the first binding ring 12 and the second binding ring 14 at intervals, and the first binding ring 12 and the second binding ring. A pair of plate-like operating pieces to which the first binding ring 12 and the second binding ring 14 are fixed so as to extend from the surface side so that the ring 14 is fixed to the holding member 16 are the holding member 16. And an actuating member 18 movably fixed inside.

The binding device 10 is a two-hole openable / closable type comprising a first binding ring 12 as a main binding and a second binding ring 14 as a secondary binding. The two binding rings 14 are engaged with each other at the tip thereof to form a substantially D shape.
The 1st binding ring 12 and the 2nd binding ring 14 are comprised so that the binding hook latching | locking part 150 can be removed with a finger | toe toward the same direction.
When closing the binding, the first binding ring 12 as the main binding is closed by, for example, directly sandwiching it with the thumb and forefinger, and the first binding ring 12 is sandwiched between two fingers. When operated in the closing direction, the second binding ring 14 as a secondary binding is configured to follow.

The first binding ring 12 is composed of a substantially straight first binding member 12a and a substantially semicircular second binding member 12b so as to form a substantially D-shaped binding ring when closed. The second binding ring 14 includes a substantially linear third binding member 14a and a substantially semicircular fourth binding member 14b so that the second binding ring 14 becomes a substantially D-shaped binding ring when closed. It is configured. The first binding member 12a and the third binding member 14a are linear, and the second binding member 12b and the fourth binding member 14b are semicircular.
When the first binding member 12a and the second binding member 12b are engaged and closed at their tips, the first binding member 12a and the second binding member 12b are configured to have a substantially D-shaped annular shape when viewed from the front. When the binding member 14a and the fourth binding member 14b are engaged and closed at their tips, the binding member 14a and the fourth binding member 14b are configured to have a substantially D-shaped annular shape when viewed from the front.
The first binding member 12a and the third binding member 14a have a columnar shape that is inclined when closed, and are directed in a direction that is oblique to the lower end edges of the first holding wall 24a and the second holding wall 24b. And when it opens, it is a right circular column shape, and it is comprised so that it may go to the direction orthogonal to the lower end edge of the 1st holding wall 24a and the 2nd holding wall 24b.

The binding device 10 is fixed to the back cover 314 in a front cover 310 having a front cover 312, a back cover 314, and a spine cover 316 formed between the front cover 312 and the back cover 314, When one binding member 12b, 14b and the other binding member 12a, 14a are opened as the operating pieces 30, 32 are moved, the other binding member 12a, 14a is perpendicular to the spine 316. The first operating piece 30 is fixed.
Then, the first binding member 12a and the second binding member 12b are inserted so that the binding object S such as a sheet can be bound by being inserted into a binding hole previously formed in the binding object S such as a sheet. At the leading ends of the third binding member 14a and the fourth binding member 14b, that is, at the tops of the first binding ring 12 and the second binding ring 14, a binding hook locking portion 150 is formed. When the first binding ring 12 and the second binding ring 14 are opened, the first binding member 12a and the second binding member 12b are spaced apart from each other, but the first binding member 12a and the second binding member 12b are spaced apart from each other. The member 12a is vertical, and the third binding member 14a and the fourth binding member 14b are spaced apart from each other, but the third binding member 14a is vertical.
Thus, when the first binding member 12a and the third binding member 14a are inserted into the binding holes previously formed in the binding object S such as paper, the binding object S such as paper is bound. It is easy to insert the binding hole of the binding object S into the first binding member 12a and the third binding member 14a.
Then, with the tips of the second binding member 12b and the fourth binding member 14b opened at a certain distance from the first binding member 12a and the third binding member 14a as guides, The binding hole of the binding object S can be inserted into the first binding member 12a and the third binding member 14a while sliding the edge.

The first binding ring 12 and the second binding ring 14 constituting the binding rod extend the circular cross-section metal wire in the direction in which the binding locking portion 150 is removed (directions O1 and O2 in FIG. 7). In addition, it is formed by bending the binding in the closing direction by pressing the center portion. Then, the first binding ring 12 and the second binding ring 14 are arranged in the direction in which the center opens the binding rod (the first binding member 12a and the third binding member 14a are the O3 direction in FIG. The member 12b and the fourth binding member 14b are formed in the shape of a substantially bean-shaped section that swells in the direction of O4 in FIG.
That is, when the annular first binding ring 12 and the second binding ring 14 are viewed in the opening and closing direction, a wavy undulating surface is formed inside the first binding ring 12 and the second binding ring 14, The outer sides of the binding ring 12 and the second binding ring 14 are formed in a semicircular arc shape. And the 1st binding ring 12 and the 2nd binding ring 14 are formed in the semicircular arc shape in the both outer sides seeing in the direction which removes a binding rod.
Conventional cross-section round staples are less susceptible to deformation if they have a small diameter, and if the diameter is large, the cross-sectional area increases and material costs increase. Since there are many round holes, it is difficult to correspond to the binding hole of the binding object S such as paper, and the binding hole of the binding object S such as paper may be damaged.
However, if the first binding ring 12 and the second binding ring 14 that constitute the binding rod are thin, the binding of the binding hook locking portion 150 may not be successful.
Therefore, it is desired to increase the width of the first binding ring 12 and the second binding ring 14, but even if the original wire rod having a small cross-sectional area is used, the original metal wire rod is processed to form the binding rod. I want to ensure the necessary width.
Therefore, the binding rod according to the present invention increases the overall width by pressing the central portion of the wire forming the wire rod and crushing the wire rod into a bean shape, that is, the entire width of the binding rod is reduced. The latching portion 150 is widened in the direction to be removed, so that the binding of the staple binding portion 150 can be completed completely.

In this embodiment, the second binding member 12b constituting the first binding ring 12 and the fourth binding member 14b constituting the second binding ring 14 have the same shape, that is, curvature (curvature radius). Are the same.
The first binding member 12a and the second binding member 12b constituting the first binding ring 12 include a binding end locking portion 150 at the free end of the first binding member 12a and the free binding of the second binding member 12b. By engaging with the end staple binding portion 150, it is connected in an annular shape.
Further, the third binding member 14a and the fourth binding member 14b constituting the second binding ring 14 are a binding end locking portion 150 at the free end of the third binding member 14a, and a fourth binding member. By engaging the binding end 150 of the free end of 14b, it is connected in an annular shape.

  The first binding ring 12 and the second binding ring 14 have left and right axes Y1, Y2 and front and rear passing through portions (four places) where the respective base portions are fixed to the first operating piece 30 and the second operating piece 32 The first operating piece 30 and the second operating piece 32 are erected so as to form a plane perpendicular to the plane Pxy including the axes X1 and X2 (shown in FIG. 7). The ring surface formed by the axis Z1 (shown in FIG. 7) of the first binding ring 12 and the ring surface formed by the axis Z2 (shown in FIG. 7) of the second binding ring 14 are parallel to each other. The first binding ring 12 and the second binding ring 14 are configured to be perpendicular to a plane Pxy passing through a portion where the first operating piece 30 and the second operating piece 32 are fixed.

As shown in FIGS. 47 to 48, the binding rod is driven by the first binding ring 12 that is a main binding rod that is directly closed by a finger and the operation toward the closing direction of the first binding ring 12. And a second binding ring 14 as a secondary binding.
The first binding ring 12 and the second binding ring 14 are configured such that the binding hook locking portion 150 can be removed with a finger in the same direction (O1 and O2 directions in FIG. 7). Has been.
A concave portion 152b at the distal end constituting the binding staple locking portion 150 formed at the distal end of the first binding member 12a constituting the first binding ring 12 and a binding staple locking portion 150 of the second binding member 12b are provided. The convex portion 152a at the leading end is formed so as to protrude or dent in the opposite direction so as to be engaged when the first binding ring 12 is closed.
A concave portion 154b at the distal end constituting the binding staple locking portion 150 formed at the distal end of the third binding member 14a constituting the second binding ring 14 and a binding staple locking portion 150 of the fourth binding member 14b are provided. The convex portion 154a at the tip is formed so as to protrude or dent in the opposite direction so as to be engaged when the second binding ring 14 is closed.
The concave portion 152b of the first binding member 12a is provided so as to extend in the direction O1 in the direction intersecting the direction in which the first binding member 12a extends and the first operating piece 30 moves. .
The convex portion 152a of the second binding member 12b is formed so as to extend in the direction O2 in which the second operating piece 32 moves in a direction that intersects the direction in which the second binding member 12b extends. Yes.
Similarly, the concave portion 154b of the third binding member 14a is formed so as to extend in the direction O1 in the direction intersecting with the direction in which the third binding member 14a extends and in which the first operating piece 30 moves. ing.
The convex portion 154a of the fourth binding member 14b is projected so as to extend in the direction O2 in which the second operating piece 32 moves, in a direction intersecting with the direction in which the fourth binding member 14b extends. Yes.

The convex portion 152a constituting the binding binding portion 150 of the second binding member 12b and the convex portion 154a constituting the binding binding portion 150 of the fourth binding member 14b are provided so as to protrude in the same direction. Both are formed in the same shape.
Further, the concave portion 152b constituting the binding binding portion 150 of the first binding member 12a and the concave portion 154b constituting the binding binding portion 150 of the third binding member 14a are formed to be recessed in the same direction. Both are formed in the same shape.

The distance L1 between the highest part and the lowest part of the convex part 152a and the distance L1 between the highest part and the lowest part of the convex part 154a are lengths related when the binding ring locking part 50 is disengaged. is there.
In this embodiment, the distance L1 between the highest part and the lowest part of the convex part 152a and the distance L1 between the highest part and the lowest part of the convex part 154a are in front of the first binding member 12a. Shorter than the sum of the distance L2 between the side edge and the hole edge 26a2 on the near side and the distance L3 between the far side of the second binding member 12b and the far side edge 26b1 of the through hole 26 on the far side. The first binding ring 12 is twisted so that the binding ring locking portion 50 can be disengaged.
Similarly, the distance L1 between the highest part and the lowest part of the convex part 152a and the distance L1 between the highest part and the lowest part of the convex part 154a are the front side edge and the front side of the third binding member 14a. From the sum of the distance L2 between the front side hole edge 28a2 of the through hole 28 and the distance L3 between the far side of the fourth binding member 14b and the far side hole edge 28b1 of the front side through hole 28. It is comprised so that it may become short, and it is comprised so that the 2nd binding ring 14 can be twisted and the binding ring latching | locking part 50 can be disengaged.
However, the B-side through hole 26a and the B-side through hole 28a have the weight of the binding object 10 with the binding ring locking portion 50 of the first binding member 12a in the locked state being bound. When the load is applied only downward (front side) in the length direction, the first binding ring 12 and the first binding ring 12 can be controlled so that the movement in the direction O1 in which the binding ring locking portion 50 is released can be restricted. When the second binding ring 14 is closed, the distance L2 is shorter than the distance L1.

  The actuating member 18 and the opening / closing member 40 act in a direction to open the concave portion 154b of the third binding member 14a and the convex portion 154a of the fourth binding member 14b that constitute the second binding ring 14, and The third binding member that acts in a direction to separate the concave portion 152b of the first binding member 12a of the first binding ring 12 and the convex portion 152a of the second binding member 12b and constitutes the second binding ring 14 The concave portion 154b of 14a and the convex portion 154a of the fourth binding member 14b act so as to be separated from each other.

  As described above, in this embodiment, the first binding member 12a and the second binding member 12a of the first binding ring 12 are twisted by twisting the top of the first binding ring 12 or the second binding ring 14 with a finger. The binding hook locking portion 150 of the binding member 12b and the binding hook locking portion 150 of the third binding member 14a and the fourth binding member 14b of the second binding ring 14 can be removed.

  When the first binding ring 12 and the second binding ring 14 are bound to the object S to be bound and the cover CO is set up in the length direction of the binding tool 10, One of the first binding member 12a and the third binding member 14a is the B-side through hole 26a and the B-side through hole 28a, and the binding ring locking portion 50 of the first binding ring 12 and the second binding ring 14 is used. The second binding member 12b and the fourth binding member 14b are not restricted from moving by the A side through hole 26b and the A side through hole 28b. The binding ring locking portion 50 of the second binding member 12b bites into the binding ring locking portion 50 of the first binding member 12a, and the binding ring locking portion 50 of the fourth binding member 14b is the third binding member 14a. The first binding ring by biting into the binding ring locking portion 50 of the first binding ring 2 and the second binding ring 14 is prevented from opening by disengagement.

  The binding tool according to the present invention can be used as a binding tool for binding notes such as files and binders.

C center, center CO, 310 cover S to be bound 10, 510, 610 binding tool 12, 412, 512, 612 first binding ring 14, 414, 513, 613 second binding ring 514, 614 third binding Ring 515 Fourth binding ring 12a, 412a, 512a, 612a First binding member 12b, 412b, 512b, 612b Second binding member 14a, 414a, 513a, 613a Third binding member 14b, 414b, 513b, 613b 4th binding member 514a, 614a 5th binding member 514b, 614b 6th binding member 515a 7th binding member 515b 8th binding member 16,516,616 Holding member 18,518,618 Actuating member 20,520 , 620 Mounting hole 22, 522, 622 Binding object placement part 22 a bulging part 24, 524, 6 4 Holding Walls 24a, 524a, 624a First Holding Walls 24b, 524b, 624b Second Holding Walls 26, 526, 626 Through-holes 28, 527, 627 on the far side Through-holes 26a, 28a, 526a, 527a on the near side , 528a, 529a, 626a, 627a, 628a B side through hole 26b, 28b, 526b, 527b, 528b, 529b, 626b, 627b, 628b A side through hole 26a1, 26b1, 28a1, 28b1 Hole edge 26a2, 26b2 , 28a2, 28b2 Front edge 528, 628 Third through hole 529 Fourth through hole 30, 530, 630 First operating piece 30a, 530a, 630a Butt edge 30b, 530b, 630b Outer edge 30c1, 30c2, 530c1, 530c2, 530c3, 630c3, 63 c1,630c2 Protruding portion 30d, 730d, 830d Recessed portion on the other side of the first operating piece 30e, 730e, 830e Recessed portion on the near side of the first operating piece 30f, 530f, 630f Restricting recessed portion 30g, 530g, 630g 30h, 530h, 630h Projection 32, 532, 632 Second operation piece 32a, 532a, 632a Abutting edge 32b, 532b, 632b Outer edge 32c1, 32c2, 532c1, 532c2, 532c3, 632c1, 632c2, 632c3 Projection , 732d, 832d Recessed portion of second working piece 32e, 732e, 832e Recessed portion of front side of second working piece 32f, 532f, 632f Reducing recessed portion 32g, 532g, 632g Restricting convex portion 32h, 532h, 632h Projection Articles 234a, 234b, 234c , 234d, 534a, 534b, 534c, 534d, 534e, 534f, 634a, 634b, 634c, 634d, 634e, 634f Bead 234a1, 234b1, 234c1, 234d1, 534a1, 534b1, 534c1, 634d1, 634d1, 634d1, 634d1, 634d1, 634d , 634 e 1, 634 f 1 1st straight line portion 234 a 2, 234 b 2, 234 c 2, 234 d 2, 534 a 2, 534 b 2, 534 c 2, 534 d 2, 634 a 2, 634 b 2, 634 c 2, 634 d 2, 634 e 2, 634 b 3 3 234 b 3 3 , 534c3, 534d3, 634a3, 634b3, 634c3, 634d3, 634e3, 634f3 hatched portion 36a, 36b, dent 36a first engaging portion 36a1, 536a1 636a1 First engaging portion beyond the first working piece 36a2, 536a2, 636a2 First working portion near the first working piece 36a3, 536a3, 636a3 First working portion near the second working piece 36a4, 536a4, 636a4 The first engaging portion on the other side of the second operating piece 36b The second engaging portion 36b1, 536b1, 636b1 The second engaging portion on the other side of the second operating piece 36b2, 536b2, 636b2 Second engagement portion 36b3, 536b3, 636b3 on the front side of the operating piece Second engagement portion 36b4, 536b4, 636b4 on the front side of the first operating piece 38a, 38b, 538 a 1, 538 a 2, 538 b 1, 538 b 2, 638 a 1, 638 a 2, 638 b 1, 638 b 2 opening / closing member fixing part 38 a 1, 38 b 1 locking base part 38 a 2, 38 b 2 locking release prevention part 40, 540, 42, 640, 642 Opening / closing member 42a, 540a, 542a, 640a, 642a One fixed tip end of the opening / closing member 42b, 540b, 542b, 640b, 642b The other fixed tip end of the opening / closing member 44 Winding portion 46a, 46b Regulating arm Portions 50, 150, 550, 650 Binding ring locking portions 52a, 54a, 152a, 154a, 56a, 58a Convex portions 52b, 54b, 152b, 154b, 56b, 58b Concavities 52c, 54c, 56c, 58c Surface 52d, 54d, 56d, 58d Inclined opposing surface of recess 60, 62, 160, 162, 560, 562, 660, 662 First holding portion 64, 66, 164, 166, 564, 566, 664, 666 Second Holding parts 561, 565, 661, 665 Third holding parts 68a, 70a, 72a 74a cuts 300 File binder 310 Cover 312 front cover 314 back cover 316 back cover 318A, 318B thin hinge portion 320 communicating portion 322 binding ring fixing means

Claims (4)

A binding ring including one binding member that can be opened and closed and the other binding member;
A holding member having a length capable of providing the plurality of binding rings at intervals;
The length of the holding member within the holding member when the pair of operating pieces, which are separately fixed to the one binding member and the other binding member so as to extend from the surface side, opens and closes the binding ring. An actuating member configured to be held movably in alternating directions;
A binding device comprising an opening and closing member fixed to the actuating member,
The binding ring is formed by locking the binding ring locking portion at the tip of one binding member and the binding ring locking portion at the tip of the other binding member with the movement of the pair of operating pieces of the operating member. It is comprised so that it may be closed, and one binding member and the other binding member are moved to a reverse direction, and the binding ring latching | locking part of the front end of one binding member and the binding ring latching of the front end of the other binding member are carried out Configured to disengage from the part and open the binding ring,
The holding member is
One through-hole and the other through-hole for allowing one binding member and the other binding member to pass through at an interval are held corresponding to the one binding member and the other binding member. Drilled at intervals in the width direction of the member,
When the binding ring is locked and closed at the binding ring locking portion, the one binding member moves in the direction in which the binding ring locking portion locked by the one binding member is released. The other through-hole allows the other binding member to move in a direction in which the binding ring locking portion locked to the other binding member is locked. Formed into
The actuating member is
The base of one binding member of the binding ring is fixed to one working piece, and the base of the other binding member of the binding ring is fixed to the other working piece,
The one operating piece and the other operating piece are matched so that the binding ring locking portion of one binding member and the other binding ring locking portion are locked when the binding ring is closed. In the state where the edges are abutted, it is fixed to the holding member,
One working piece and the other working piece are formed with a movement restricting portion for restricting movement of the one working piece and the other working piece in the length direction,
The movement restricting portion is formed of a restricting recess and a restricting convex portion formed at the butting edge of one working piece, and a restricting recess and a restricting convex portion formed at the butting edge of the other actuating piece,
When the binding ring closed engaged the binding ring latching portion of the binding ring latching portion and the other binding member of one of the binding members, restricting recess of one of the actuating piece, the engagement of one of the binding members Movement of the restricting convex portion of the other operating piece so as to allow the other binding member to move toward the binding ring locking portion side of one binding member in the direction in which the binding ring locking portion is released. A binding tool formed in an acceptable length. A binding ring including one binding member that can be opened and closed and the other binding member;
A holding member having a length capable of providing the plurality of binding rings at intervals;
The length of the holding member within the holding member when the pair of operating pieces, which are separately fixed to the one binding member and the other binding member so as to extend from the surface side, opens and closes the binding ring. An actuating member configured to be held movably in a direction;
A binding device comprising an opening and closing member fixed to the actuating member,
The holding member is
One through-hole and the other through-hole for allowing one binding member and the other binding member to pass through at an interval are held corresponding to the one binding member and the other binding member. Drilled at intervals in the width direction of the member,
When the binding ring is locked and closed at the binding ring locking portion, the one binding member moves in the direction in which the binding ring locking portion locked by the one binding member is released. The other through-hole allows the other binding member to move in a direction in which the binding ring locking portion locked to the other binding member is locked. Formed into
The actuating member is
The base of one binding member of the binding ring is fixed to one working piece, and the base of the other binding member of the binding ring is fixed to the other working piece,
The one operating piece and the other operating piece are matched so that the binding ring locking portion of one binding member and the other binding ring locking portion are locked when the binding ring is closed. In the state where the edges are abutted, it is fixed to the holding member,
One working piece and the other working piece are formed with a movement restricting portion for restricting movement of the one working piece and the other working piece in the length direction,
The movement restricting portion is formed of a restricting recess and a restricting convex portion formed at the butting edge of one working piece, and a restricting recess and a restricting convex portion formed at the butting edge of the other actuating piece,
When the binding ring is closed at the binding ring locking portion, the restricting recess of the one operating piece allows the other binding member to move in the direction in which the binding ring locking portion locked by the binding member is released. In addition, it is formed to a length that allows the movement of the restricting convex portion of the other operating piece,
Wherein A front edge of the front edge and the other through-hole of one of the through-hole, the position is marked change in the length direction of the holding member, towards the front edge of one of the through holes of the other through hole positioned on the other side of the front side edge, binding device.   The restriction recess is a planar U-shaped notch that is recessed in the width direction from the butt edge, and the restriction projection is a U-shaped projection in plan view formed so as to loosely fit with the restriction recess. The regulation convex part is loosely fitted in the regulation concave part, and one working piece and the other working piece are formed to move alternately in the length direction in the regulating concave part. The binding tool described in 1. When the binding ring is twisted and the binding ring is opened when the binding ring is closed, one binding member moves to the near side, which is the side from which the binding ring locking portion is disengaged, and the other binding. In order for the member to move to the other side, which is the side from which the engagement of the binding ring locking portion is disengaged, one through hole through which one binding member is inserted is formed to allow movement of one binding member. The other through-hole inserted through the other binding member is formed to allow movement of the other binding member, and the movement restricting portion is formed to allow movement of one binding member. And is formed to allow movement of the other binding member,
When an overload is applied only in the direction in which the binding ring engaging portion of one binding member is disengaged from the binding ring to the binding ring, the one through hole inserted through the one binding member The other binding member is formed so as to stop the movement of one binding member that has moved to the side of disengaging the binding ring locking portion of the member, and the other binding member is inserted into the other through-hole. One binding that is formed to allow further movement toward the one binding member that is stopped, and the movement restricting portion is moved to the side where the engagement of the binding ring locking portion of one binding member is disengaged. The binding device according to any one of claims 1 to 3, wherein the binding device is formed to allow the other binding member to further move toward the member.

Images