JPH02299894A - Binding device - Google Patents

Abstract

PURPOSE:To strengthen the engagement with the binding lever at an end part position by providing an engaging piece having the outward engaging recessed part engaged with the binding lever at the end part position in the longitudinal direction of a binding member in a separated state and providing contact protruding pieces inserted in engaging holes to the inner surface of an end plate at the left and right positions thereof. CONSTITUTION:Engaging recessed parts 17 are engaged with binding levers 9a to mount end members 12 on a binding member 10 and a pair of left and right contact protruding pieces 22 are respectively inserted in left and right engaging grooves 6a, 6b and the end plates 13 of the end member 12, 12 are in contact with the end surfaces of a back member 7 and, in this state, the binding member 10 is held to the back member 7. For example, when the wt. of bound base papers acts on the end members 12 as external force through the binding member in this state, the external force in the same direction is also applied to the end edges of the engaging recessed parts 17. Hereupon, engaging pieces 18 are inclined outwardly centering around the closed end parts (a) of interval parts 19 and this inclination direction is in a direction increasing the engagement of the engaging recessed parts 17 with the binding levers 9a and, therefore, there is no possibility that the engaging pieces 18 get out of the binding levers 9a.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present application relates to a binding device for binding album mounts and the like in a replaceable manner.

・Conventional technology Conventionally, binding tools for binding album mounts etc. that can be increased or decreased,
As shown in FIG. 7, it extends over the entire length in the longitudinal direction at the left and right positions on the upper surface of the back Fi (1) which is long in the front and back direction,
The upper edge has a first rib (2) facing inward and a second rib (3) facing outward.
) and a pair of locking protrusions (4) with a T-shaped cross section extending integrally.
), (4) are integrally arranged side by side, and an insertion groove ( 5),
A pair of engagement grooves (6) a that are opened at the front and rear end surfaces and left and right side surfaces by the second rib (3) and the outer edge of the upper surface of the back plate (1).
, (6)b, respectively, and a long connecting rod (7) that slidably intervenes in the one locking groove (6)a.
8), a plurality of ring-shaped binding rods (9) whose tips are slidably inserted into the other engaging groove (6) b;
(9) , (9) . . . are attached to the front and rear ends of the back IN (1), respectively, and Binding member (
A pair of end members (11) that hold 10) on the back member (7)
, (11), in which the end member (11) is a rectangular plate with a curved upper surface approximately equal to the width of the back plate (1), and an end plate (111) having a curved upper surface; an insertion protrusion (1) that is provided protrudingly on the part and inserted into the end of the insertion groove (5);
12), which protrude from the left and right positions of the inner surface of the end plate (111) and intervene in the ends of the pair of left and right locking grooves (6)a, (6)b, respectively, to attach to the end surface of the binding member (10). A pair of abutting protrusions (113), (113) and the end plate (11
1) a binding rod (9) a that is protruded from the upper left and right positions of the inner surface of the binding member (10) and located at the end of the binding member (10) in the longitudinal direction;
The outward beveled edge (1
14)a and this beveled edge (114)a is the binding rod (9)a
A pair of parallel locking protrusions (11, 6), (116
), and when the end member (11) is attached, the inner surface of the end plate (111) abuts the end surface of the back plate (1), and the abutting protrusions (113), (113) are engaged. Groove (6)
a, (6)b intervenes and comes into contact with the end surface of the binding member (10), and the left and right locking protrusions (116), (116) intervene in the binding rod (9)a at the end position. At the same time, a locking piece (115) is locked to this to form a binding tool.

Problems to be Solved by the Invention However, according to the binding device of the conventional structure, in the attached state, for example, the weight of the bound paper mount is applied to the end member (11) via the binding member (1G) and the locking piece (115) The locking step (114
) When an inward external force is applied to b, the locking protrusion (116)
, (116) is inclined inward with its base as a fulcrum, and the direction of this inclination is such that the binding rod (9)a is connected to the locking step (114).
Since the direction is away from b, the binding rod at the end position <9) a
When the end member (110) is attached to the end of the back member (7), the locking piece (115) , intervenes by pressing the beveled edge of (115) while slidingly contacting the binding rod (9)a at the end position, but when pressing, the locking protrusion (116),
Since it is necessary to tilt the entire part (116) inward, the sliding resistance is low and strong, intervention is difficult, and the end member (116) is difficult to operate.
10) from the end of the back member (7), press the locking pieces (115) and (115) inward with one hand to remove the binding rod (9)a at the end position. and locking piece (115
), use your other hand to release the end plate (13).
There was an inconvenience in use in that the end member (110) had to be pulled out by holding the end member (110). Therefore, the present application is configured so that when an external force is applied to the end member in the removal direction, the engagement with the binding rod at the end position is strengthened, and the end member can be easily installed and removed with a light force. Furthermore, it is an object of the present invention to provide a binding tool configured so that the end member can be removed with one hand.

Means for Solving the Problems In order to improve the disadvantages of the above-mentioned known devices, the present application provides insertion grooves that open at the front and rear end surfaces of the long backboard in the center of the long backboard, and at the left and right positions of the backboard. A back member formed with a pair of locking grooves that open at the front and rear end surfaces and left and right side surfaces, respectively, and a long connecting rod that intervenes in one of the locking grooves, the outer edge of which has a tip end that locks the other locking member. Consisting of a binding member including a plurality of ring-shaped binding rods that intervene in the groove and spaced apart from each other, and a pair of end members that are attached to the front and rear ends of the back plate to hold the binding member to the back member, The end member is provided with an insertion protrusion that intervenes in the insertion groove of the back member at the center of the inner surface of the end plate, and an insertion protrusion that intervenes in the insertion groove of the back member, and an insertion protrusion that is inclined outward from the tip thereof at the left and right positions, and a top surface of the end plate from the end. A locking protrusion that extends vertically to the position and has a locking piece loosely provided on the upper part of the vertical part and has an outward locking recess that locks with the binding rod at the end position in the longitudinal direction of the binding member. The present invention provides a binding device characterized in that abutting protrusions are provided on the left and right positions of the inner surface of the end plate to intervene in the locking hole, and in the above-mentioned locking tool. In order to increase the bending force of the locking protrusion, the locking protrusion is provided with a slit that opens at the tip, and in order to increase the strength of the insertion protrusion and the locking protrusion, the insertion groove is placed in the center of the top surface. the insertion hole and the locking projection of the end member are integrally formed, and the center opening of the insertion hole is formed on the left and right side surfaces between the insertion projection and the locking projection. Also in this configuration, in order to increase the bending force between the insertion protrusion and the locking protrusion, openings are provided at the tips of the insertion protrusion and the locking protrusion of the end member. A two-split slit is commonly provided, and the outer half of the upper surface of the locking protrusion is inclined downward in order to improve the opening of the stacked sheets.

Function: Then, insert the connecting rod of the binding member into one of the locking grooves of the back member.
The end member is attached to the end of the spine member in order to hold the binding member against the spine member in a state where the tips of the binding rods are respectively inserted into the other locking groove and the spine member is engaged, In this case, the free ends of the locking pieces are simultaneously pressed with fingers holding the left and right end surfaces of the end plates. Then, the locking piece is bent inward as a whole, and in this state, the insertion protrusion of the end member is inserted into the insertion groove. Then, the sloped part of the locking piece easily intervenes inside the binding rod located at the longitudinal end of the binding member, and in this state, the end member is continued to be inserted,
When the finger pressure is released while the end plate is in contact with the end surface of the back plate, the locking piece returns to its original state due to its repulsive force, and the locking recess is locked to the binding rod, and the end member is attached to the binding member. At the same time, the binding member is attached to the back member with the pair of left and right abutting protrusions intervening in the ends of the left and right locking grooves, and with the end plate of the end member in contact with the end surface of the back member. Hold. In this state, for example, when the weight of the binding mount acts as an external force on the end member via the binding rod, an external force is also applied to the edge of the locking recess in the same direction, that is, in a direction that pulls it inward. Then, the locking piece tilts outward using its tip as a fulcrum, and the direction of the inclination is the direction in which the locking recess increases the engagement with the binding rod, so the locking piece is pulled out from the binding rod. There is no need to worry, and when removing the end member, use one hand to press inward the left and right end surfaces of the end plate as well as the free ends of the pair of left and right locking pieces. Then, as described above, the locking piece is bent inward, the locking recess is disengaged from the binding rod, and in this state, the end member is pulled out. In addition, in the above, the insertion groove is
The insertion hole is opened along the center of the upper surface, and the insertion protrusion and the locking protrusion of the end member are integrally formed, and the center of the insertion hole is formed on the left and right side surfaces between the insertion protrusion and the locking protrusion. When the locking groove is provided to be inserted into the opening, the locking groove of the end member is inserted into the center opening on the upper surface of the insertion groove of the back member. Further, when the outer half of the upper surface of the locking protrusion is inclined downward, it is possible to prevent the stacked paper from lifting up when the paper is opened.

Embodiment The embodiment of the present application will be described in detail with reference to the drawings below. Fig. 1 shows an overall perspective view of the present application with the end member (12) removed, and the back member (7) and binding member (lO) are as described above. There is basically no difference from the conventional structure, so each part is designated by the same reference numeral. (12), (12) show a pair of end members improved in the present application, and the end member (12) is the second end member.
As is clear from the figure, the upper surface of the rectangular plate body approximately equal to the width of the spine Fi (1) is tilted symmetrically in the left-right direction to form a mountain shape at the center of the inner surface of the end plate (13). , a prismatic insertion protrusion (14) that intervenes in the insertion groove (5) of the back member (7); an inclined part (15) extending in the direction of the end Fi (13) while being inclined in the direction;
) extends vertically to the upper surface position of the binding member (
A locking piece (18) consisting of a binding rod (9)a at the end position of 10) and an operating part (16) provided with an outwardly cut locking recess (17) for locking. A locking protrusion (20) is provided in a free manner with a gap (19) between the locking pieces (18), and the lower surface of the free end of the locking piece (18) has a
As shown in FIG. 4, the upper surfaces of the ends Fi(+3) are inclined so that a distance p is created along the inclined surface, and
The left and right side surfaces between the locking protrusion (20) and the insertion protrusion (14) have openings at their tips, and slide the inner edges of the first ribs (2), (2) of the back member (7). A pair of left and right locking grooves (21
), (21) are arranged.

Furthermore, abutting protrusions (22) that come into contact with the end surfaces of the binding member (10) are provided on the left and right sides of the inner surface of the end plate (13). Note that a guide protrusion (23) is provided at the tip of the insertion protrusion (14) to facilitate the insertion of the insertion protrusion (14) into the insertion groove (5), and a locking piece ( 1B).

(18) A downwardly inclined surface is formed on the outer half of the upper surface so as not to get in the way when the stacked paper such as an album mount is opened. (24) is a locking piece (18).

(1st day) This is the finger rest that bulges on the outer surface of the free end.

Thus, the connecting rod (8) of the binding member (10) is inserted into one of the locking grooves (6) a of the back member (7), and the connecting rods (9) and (9) are connected to the other locking groove (6) b. ) . Similarly, the end member (12) is attached to the end of the back member (7), but in this application, the end plate (13)
At the same time, use your fingers to hold the left and right end surfaces of the locking pieces (18), (
18) Apply finger pressure to the free end. Then, the locking pieces (18), (18) are bent inward through the gap p, and in this state, the locking grooves (21), (21) of the end member (12) are inserted into the insertion groove (5). ), the insertion projection (14) is inserted into the central opening formed by the inner edge of the first rib (2), (2).
) into the insertion groove (5). Then, the binding member (10)
The inclined part (15) of the locking piece (18) easily intervenes inside the binding rod (9) a located at the longitudinal end of the holder, and in this state the end members (12), (12) are inserted. Continue and attach the end plate (1
3) is in contact with the end surface of the back plate (1), when the finger pressure is released, the locking pieces (1, 8) and (18) are restored by the repulsive force, and the binding rod (9) a The end member (12) is attached to the binding member (10) by being engaged with the engagement recess (17), and the pair of left and right abutting protrusions (22) are engaged with the left and right engagement grooves (6).
)a and (6)b, respectively, and the end member (
12), Hold the binding member (10) on the back member (7) with the end plate (13) of (12) in contact with the end surface of the back member (7). In this state, for example, if the weight of the bound sheets acts on the end member (work 2) as an external force in the direction of the arrow in Fig. 3 through the binding member (work 0), the end of the locking recess (17) An external force in the same direction is also applied to the edge. Then, the locking piece (18
) is inclined outward with the closed end a of the spacer (19) as a fulcrum, and the direction of the inclination is such that the locking recess (17) is aligned with the binding rod (9).
Since the direction is to increase the engagement with a, there is no risk that the locking piece (18) will be pulled out from the binding rod (9), and the end member (12)
When removing, use one hand to press inward the left and right end surfaces of the end plate (13) as well as the free ends of the pair of left and right locking pieces (18). Then, as mentioned earlier, the locking pieces (18), (
18) is bent inward and the locking recess (17) is attached to the binding rod (9) a.
In this state, the end members (12), (12) are pulled out.

Note that FIGS. 5(a) and 5(b) show other embodiments of the present application corresponding to FIG. 4 showing the relationship between the end plate (13) and the operating part (16) in the end member (12), In the same figure (A), a protrusion (13) a that protrudes perpendicularly from the left and right inclined surfaces is formed at the center of the upper edge of the end plate (13) in the above embodiment, and the free end of the locking piece (18) is When the binding lever (9)a and the locking recess (17) are made detachable by grasping and pressing the operating part (16) inward, the lock is locked as shown by the imaginary line in the figure. piece (18
) comes into contact with the protrusion (13)a, and the locking piece (
18) is configured to prevent the protruding portion (13) from moving inward more than necessary.
The left and right sides of a are formed in a concave shape, and a locking piece (18),
The inner surfaces of the free ends of (18) are each formed into a convex shape, so that when the free ends of the locking pieces (18), (18) are pressed inward, the recess and the protrusion engage with each other. This shows the case where it is configured as follows.

Further, FIG. 6 shows still another embodiment of the present application, and the difference from the above-described embodiment is that the insertion protrusion (14) and the locking protrusion (20) have halved slits (
25), and when using this configuration, a large bending force of the locking piece (18) can be obtained when the end member (12) is attached and detached, and the operation of attaching and detaching the end member (12) is easier. Therefore, even if it is made of hard synthetic resin, the binding member (10
) can be easily installed and removed.

Further, in the above embodiment, the insertion protrusion (14) and the locking protrusion (20
) are shown in the upper and lower parts integrated, but they may be separated, and in this case, the slit (25) is provided only in the locking protrusion (20).

Effects of the Invention As described above, according to the present application, even when an external force is applied to the end member in the withdrawal direction, the external force acts to strengthen the engagement between the locking piece and the binding rod, and the end member There is no risk of the end member coming off inadvertently, and since only the loosely formed locking piece needs to be deformed when the end member is installed, the end member can be easily installed, and when the end member is removed. In addition, since the free end of the locking piece is pulled out while applying finger pressure with one hand, the end member can be removed with one hand, making it convenient to use.Furthermore, a two-split slit is provided. In this case, the bending force of the locking piece increases, making it convenient to engage and disengage the end member, and even when the end member is made of hard synthetic resin, it becomes easy to engage and disengage the binding member, and the expansion of the protruding piece When the outer half of the upper surface is sloped downward, there is an advantage that when the stacking mount is opened, there is no risk that the side edges of the mount come into contact with the inclined surface and come up.

[Brief explanation of the drawing]

The drawings show an embodiment of the present application, and FIG. 1 is a perspective view of the end member in an exploded state, FIG. 2 is a perspective view of the end member from below, FIG. 3 is a partially cutaway plan view, and FIG. Figure 4 is an end view showing the relationship between the end member and the locking piece, Figures 5 (A) and (B) are end views showing other embodiments corresponding to Figure 4, and Figure 6 is the end member. FIG. 7 is an exploded perspective view showing a conventional configuration. In the figure, (1) is the back plate, (5) is the insertion groove, (6) is the locking groove, (7) is the back member, (8) is the connecting rod, (9) is the binding rod, (
10) is a binding member, (13) is an end plate, (14) is an insertion protrusion, (17) is a locking recess, (18) is a locking piece, (20) is a locking protrusion, (21) is a A locking groove, (22) is an abutting protrusion,
(25) is a slit. 1・−/−

Claims (5)

[Claims] (1) An insertion groove that opens at the front and rear end surfaces of the back board is formed in the center of the long back board, and a pair of locking grooves that open at the front and rear end faces and left and right sides of the back board, respectively, are formed at the left and right positions of the insertion groove. A back member;
on the outer edge of the elongated connecting rod that intervenes in the one locking groove,
A binding member including a plurality of ring-shaped binding rods whose tips intervene in the other locking groove, and a binding member that is attached to the front and rear ends of the back plate to hold the binding member to the back member. a pair of end members, the end member has an insertion protrusion that intervenes in the insertion groove of the back member at the center of the inner surface of the end plate, and an insertion protrusion that is inclined outward from its tip at the left and right positions, A locking piece that extends vertically from the end to the top surface of the end plate, and has an outward locking recess that locks with the binding rod at the longitudinal end of the binding member, is provided at the top of the vertical portion. A binding device characterized in that loosely provided locking protrusions are vertically protruded, and abutting protrusions that intervene in the locking holes are provided at right and left positions on the inner surface of the end plate. (2) The binding tool according to claim 1, characterized in that the locking protrusion is provided with a halved slit that opens at the tip. (3) The insertion groove is open along the center of the upper surface, and the insertion protrusion and the locking protrusion of the end member are integrally formed,
2. The binding tool according to claim 1, further comprising locking grooves that are fitted into the central opening of the insertion hole on the left and right side surfaces between the insertion protrusion and the locking protrusion. (4) The binding tool according to claim 3, characterized in that the insertion protrusion and the locking protrusion of the end member are provided with a halved slit that opens at the tip. (5) The binding tool according to any one of claims 1, 2, 3 and 4, wherein the outer half of the upper surface of the locking protrusion is inclined downward.