WO2006131982A1

WO2006131982A1 - Binding mechanism

Info

Publication number: WO2006131982A1
Application number: PCT/JP2005/010689
Authority: WO
Inventors: Toshio Okamura
Original assignee: Okamura Yugen Kaisha
Priority date: 2005-06-10
Filing date: 2005-06-10
Publication date: 2006-12-14
Also published as: JP4646255B2; JPWO2006131982A1

Abstract

[PROBLEMS] To provide a binding mechanism capable of bringing filed materials ranging from thin filed materials to thick filing materials into a clamped state by pressing a part of the filed materials in a stacked state, manufacturable at low cost by a simple mechanism, and providing excellent durability and reliability. [MEANS FOR SOLVING PROBLEMS] This binding mechanism comprises a base plate, columns vertically raised upward from the base plate in the state of the base plate positioned in a horizontal attitude, and pressing tools liftably fitted to the columns, pressing the filed materials to the base plate, and having vertical guide holes for inserting the columns therethrough so as to permit the vertical parallel movement thereof relative to the columns, and fastening mechanisms capable of fastening and unfastening the pressing tools to and from the columns so as to be unmovable relative to each other in the thickness direction of the filed materials.

Description

Specification

Binding mechanism

Technical field

[0001] The present invention relates to a binding mechanism for binding documents and the like, and in particular, attaches a pressing tool to a column in which the base plate force also rises so that the pressing tool can be moved up and down, and fastens the pressing tool to the column so that it cannot be moved relative to the column. The present invention relates to a binding mechanism that presses a file object with a pressing tool to bring it into a clamped state.

Background art

Conventionally, a binder for binding a file object such as a document has a cover member and a nodding mechanism for binding the file object inside the cover member. In general, a binder has two holes formed in a file object such as a document, and a hole is formed in a file object by using a two-hole binder in which the file is filed through two rods or a flexible band member. There is a clamp type binder that presses and clamps the left end of the file object without any problem.

[0003] In the conventional general two-hole binder, the position of the file object relative to the binder is determined, so the file object must be supported in a state where the book shelf shelf or the top surface of the desk is lifted. Therefore, the cover member is made of a thick, rigid and cover member, the length of the two rods is constant, and the width of the spine cover of the cover member is constant.

In the two-hole binder of Patent Document 1, the center of the spine cover is divided so that two rods can be expanded and contracted, and the width of the spine cover can be expanded as the thickness of the file object increases. The connecting pieces on both sides of the split part are connected by two sets of X links.

[0004] A conventional general clamp-type binder has a pressing plate connected to a base plate by a parallel link, and the pressing plate is moved toward the file object by the elastic force of a torsion panel that is operated in the tightening direction by an operating lever. Configured to be energized.

However, the binder of Patent Document 2 proposed by the inventor of the present application is composed of a base plate, a pair of links, a guide mechanism for movably guiding the lower ends of these links, and the lower ends of the pair of links. It has a one-way lock mechanism that locks it so that it does not move in the approaching direction, a switching mechanism that switches this one-way lock mechanism to the unlocked state, etc., and can file files from thin file objects to thick file objects. .

Patent Document 1: Japanese Patent Laid-Open No. 7-132696

Patent Document 2: JP-A-2001-260582

Disclosure of the invention

Problems to be solved by the invention

[0006] In the conventional general binder, since the width of the back cover of the cover member is constant, there is a limit to the thickness of the file object that can be filed. In the two-hole type noinder, since two holes must be punched in the file object, the drilling is complicated, and the production cost of the cover member is high. The two-hole binder in Patent Document 1 is equipped with two telescopic rods, so the thickness of the file object can be increased. Becomes expensive.

[0007] With a general clamp-type binder, if the torsion panel is strengthened and the parallel link is enlarged, the manufacturing cost becomes high as the mechanical link becomes large, so a thick file object can be filed. It is difficult to make a binder.

In the binder of Patent Document 2, when the file object is thin, the pair of links are in a lying posture, so it is difficult to secure the pressing force for clamping the file object. The guide mechanism that can be moved freely becomes larger and the manufacturing cost becomes higher.

[0008] The present invention provides a binding mechanism that is thin, has a large file object force, can be clamped to the file object, and provides a binding mechanism that can be manufactured with a simple mechanism at low cost, durability and reliability. Is to provide an excellent nodding mechanism, etc.

[0009] The binding mechanism of the present invention includes a base plate in a binder for pressing a part of a file object so as to be able to be released in a clamped state in a state in which file objects such as documents are stacked. The base plate is suspended from the base plate in a horizontal position. A column that rises directly, and a pressing tool that is mounted on the column so as to be movable up and down and presses a file object toward the base plate, and allows the vertical movement of the pressing tool relative to the column. And a fastening mechanism that can be fastened and unfastened relative to the column in the thickness direction of the file object. is there.

When filing a file object, release the fastening mechanism and raise the pressing tool against the column to set the force file object, lower the pressing tool and press it manually to remove the file object. After the clamped state, the fastening mechanism is fastened.

Here, the following configurations may be appropriately adopted in the above-described invention.

(1) A pair of columns separated from each other is provided, and a pair of pressing tools corresponding to the pair of columns is provided.

(2) A pair of the columns spaced apart from each other is provided, and a common pressing tool is provided for the pair of columns.

(3) The column and the guide hole are formed in a substantially rectangular shape in a horizontal section, and the fastening mechanism includes a peripheral wall portion of the guide hole around the pressing tool, and a horizontal wall formed in the peripheral wall portion. A screw hole and an operation member having a screw shaft portion that is screwed into the screw hole so as to be able to advance and retreat, and that can fasten the column to the peripheral wall portion.

[0012] (4) The pressing tool includes a pressing plate for pressing a file object, and the outer surface of the column on the pressing plate side of the pressing tool and the inner surface of the guide hole. On the inner side surface of the column opposite to the outer side surface, an engagement surface is formed, on which the pressing tool engages with the column in a relatively immovable manner.

(5) When the engagement surface formed on the outer surface of the column engages with the engagement surface formed on the inner surface of the guide hole, the engagement surface of the inner surface is the outer surface. Both the engaging surfaces are formed so as to be driven downward by the engaging surfaces.

(6) Both the engaging surfaces are formed on a triangular wave surface having a sawtooth vertical cross section.

(7) The column and the guide hole are formed in a substantially rectangular shape in a horizontal section, and the fastening mechanism includes a peripheral wall portion of the guide hole and a pair of peripheral wall side portions facing each other in the peripheral wall portion. The side force of the column is elastically deformed in the approaching direction I have.

[0013] (8) The column has a plurality of common column pieces that are separably connected, and the length of the column can be changed by increasing or decreasing the number of column pieces.

(9) The column is separated from the base plate by selecting a column having a length suitable for the thickness of the file object from a plurality of columns of different lengths provided incidentally to the binder. Installed as possible.

Brief Description of Drawings

FIG. 1 is a perspective view of a noinder according to an embodiment of the present invention.

FIG. 2 is a perspective view of a binder incorporating a spine enlargement member.

FIG. 3 is a perspective view of a binding mechanism.

FIG. 4 is a plan view of a binding mechanism.

FIG. 5 is a side view of the binding mechanism.

FIG. 6 is a cross-sectional view of the main part of the binder.

FIG. 7 is an exploded perspective view of the fastener device.

FIG. 8 is a cross-sectional view of a portion where the first and second connecting portions are connected by a fastener tool.

FIG. 9 is a perspective view of a column piece.

FIG. 10 is a plan view of a column piece.

FIG. 11 is a horizontal sectional view of a column piece.

FIG. 12 is a vertical sectional view of a column.

FIG. 13 is a vertical cross-sectional view of a column, main parts of a pressing tool, and an operation knob.

FIG. 14 is an enlarged cross-sectional view of part a in FIG.

FIG. 15 is a schematic cross-sectional view of an essential part of a cover member of a binder.

FIG. 16 is a schematic cross-sectional view of a main part of a binder cover member to which a spine cover member is added.

FIG. 17 is a schematic cross-sectional view of a main part of a binder cover member to which a spine member is added.

FIG. 18 is a schematic cross-sectional view of an essential part of a cover member of a binder according to a modified example.

FIG. 19 is a schematic cross-sectional view of the main part of a binder cover member obtained by adding a spine cover expanding member to the binder of FIG.

FIG. 20 is an exploded perspective view of a fastener device according to a modified example. FIG. 21 is a perspective view of a modified column piece.

FIG. 22 is a plan view of the column piece of FIG.

FIG. 23 is a perspective view of a column piece of a modified example.

FIG. 24 is a plan view of a column, a pressing tool, and an operation lever of a binding mechanism according to a modified example.

FIG. 25 is a cross-sectional view taken along the line IIXV-IIXV in FIG.

FIG. 26 is an exploded perspective view of a part of a base plate and three columns according to a modified example.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the binder 1 is used to file various file objects P such as documents. The binder 1 includes a front cover member 2 having a front cover 3, a back cover 4, and a spine cover 5 connecting them, a split connecting portion 6 provided on the cover member 2, and four sets included in the split connecting portion 6. Fastener 13 (see Fig. 7), binding mechanism 7 for binding the file object P between the front cover 3 and the back cover 4, and the cover member 2 are separate members and the back cover. At least one or more spine cover enlargement members 8 capable of expanding the width of the back cover, and for example, 12 sets of fasteners 13 provided incidentally to the spine cover enlargement member 8 are provided. In the following, the explanation will be given by taking as an example the binder 1 that is in a horizontal position to attach and detach the file object.

[0016] The binding mechanism 7 is a clamp-type binding mechanism that performs binding in a state where the left end portion of the file object P is pressed with the force of a hand. Therefore, the position of the file object P with respect to the cover member 2 of the binder 1 can be freely set in the clamp release state. The size of the front cover 3 and the back cover 4 of the binder 1 in this embodiment is set to be equal to or slightly larger than, for example, the A4 size, and the front end (lower end when the binder 1 is set up) of the file object P is set to the cover member 2 An example of the cover member 2 is shown in the case where the file is filed in a state of being substantially aligned with the front end of the sheet (see FIG. 2).

[0017] Even when the thickness of the file object P increases, the weight of the file object P hardly acts on the cover member 2, and therefore, a relatively thin sheet material (for example, a normal binder) that is not very rigid. As with the front cover, cardboard or synthetic resin sheet material with a thickness of about 1.0 to 1.5 mm) The cover member 2 is made up of. However, when the total weight of the file object P is supported by the cover member 2, a highly rigid cover member having a thickness of about 1.5 to 2.0 mm is used, and the sizes of the front cover 3 and the back cover 4 are set to the size of the file object. It may be formed somewhat larger than the size.

[0018] FIG. 1 shows the binder 1 in the initial state in which the file object P has a small thickness, and FIG. 2 shows the width of the spine cover by adding a spine enlargement member 8 to the spine 5 of the binder 1 in FIG. The binder 1 A is shown in an enlarged view. As shown in Fig. 1, the spine cover 5 is connected to the left end of the front cover 3 of the cover member 2 with the fold line 3a as a boundary, and at least one end in the width direction of the spine cover 5 is connected to the back cover 4. A split connecting portion 6 is formed to be separably connected. In the binder 1 used for normal use, the width of the spine cover 5 in the thickness direction of the binder 1 and the width of the spine enlargement member 8 are preferably 20 to 30 mm, but are not limited to this range. The binder 1A shows a state in which the width of the spine cover is enlarged by adding one spine enlargement member 8, but two or more spine enlargement members 8 can be added.

Next, the divided connection part 6 will be described.

As shown in Fig. 1 and Fig. 8, the end of the back cover 5 on the back cover side (one end in the width direction of the back cover) also has a flange part that is bent at right angles to the inside of the back cover 4. A connecting portion 10 is formed. The first connecting portion 10 has, for example, four circular holes 12a, and four circular holes 12a for mounting the fastener tool 13 are formed.

[0020] At the left end of the back cover 4 on the back cover side, a second connecting portion 11 (see FIG. 8) is formed, which is a flange corresponding portion force to which the first connecting portion 10 is detachably connected. The two connecting portions 11 are formed with four circular holes 12b corresponding to the four circular holes 12a of the first connecting portion 10. The first and second connecting portions 10 and 11 are formed by inserting the shaft portion 14b of the fastener tool 13 into the four sets of circular holes 12a and 12b and attaching the retaining ring member 15 to the annular groove 14c of the shaft portion 14b. They are separably connected (see Figures 7 and 8). In this way, the dividing connecting portion 6 is formed in the first connecting portion 10 formed at the end portion of the back cover 5 and the first connecting portion 10 formed at the end portion of the back cover 4 so as to be separably connected to the first connecting portion 10. 2 connecting parts 11.

Next, an example of the fastener tool 13 will be described.

As shown in FIG. 7, the fastener tool 13 includes a fastener member 14 made of metal or synthetic resin, and a retaining ring member 15 made of metal or synthetic resin. The fastener member 14 is disc-shaped. It has a head portion 14a, a shaft portion 14b that extends from the head portion 14a and can be inserted into the circular holes 12a to 12d, and an annular groove 14c formed in the shaft portion 14b. The distance from the head 14a to the lower end of the annular groove 14c is equal to the total thickness of the superimposed first and second connecting portions 10 and 11.

[0022] The retaining ring member 15 includes a pair of guide pieces 15a and 15b, an engagement hole 15c that engages with the inner peripheral surface of the annular groove 14c through slight elastic deformation of the guide pieces 15a and 15b, It has a guide slot 15d connected to the engagement hole 15c, and an operating portion 15e for operating with a finger. FIG. 8 is a cross-sectional view showing a state in which the first and second connecting portions 10 and 11 are fixed in close contact with the fastener tool 13. The first and second connecting portions 10 and 11 include, for example, four sets of fastener tools 13. Are separably connected.

Next, the spine enlargement member 8 will be described.

As shown in Fig. 1, the back cover portion of the back cover expanding member 8 is approximately the same width as the back cover 5, and the back cover expanding member 8 is made of the same cardboard or synthetic resin sheet material as the cover member 2. ing. At one end of the spine cover enlargement member 8 on the front cover side, a third connection part 16 is formed which is the same as the first connection part 10 and includes a flange part bent at a right angle to the inside. The third connecting part 16 is formed with four circular holes 12c corresponding to the four circular holes 12a of the first connecting part 10.

[0024] The other end of the back cover expanding member 8 on the back cover side is a fourth connecting portion 17 similar to the first connecting portion 10, and includes a flange portion bent at a right angle to the inside. A portion 17 is formed, and four circular holes 12d corresponding to the four circular holes 12b of the second connecting portion 11 are formed in the fourth connecting portion 17.

[0025] When the width of the spine cover is increased in order to increase the number of file objects P filed in the binder 1 shown in FIG. 1, the retaining ring members 15 of the four sets of fasteners 13 at the dividing connection portion 6 are removed. In this state, the first connecting part 10 is separated from the second connecting part 11, and the back cover expanding member 8 is arranged between the first and second connecting parts 10 and 11, and the first and third connecting parts 10 and 16 are arranged. Are connected in a separable manner with four sets of fasteners 13, and the second and fourth connecting parts 11, 17 are separably connected with four sets of fasteners 13. As a result, the binder 1A shown in FIG. 2 is obtained.

Next, the binding mechanism 7 will be described.

As shown in FIGS. 2 to 6, the binding mechanism 7 is provided at a portion near the left end of the inner surface of the back cover 4. This binding mechanism 7 is, for example, a metal plate having a thickness of about 0.6 to l.mm. A base plate 20 which is an elongated base plate 20 which is fixed to the back cover 4 with, for example, four rivets 20a, and a pair of upright columns 21 provided at a predetermined distance from the base plate 20; The pair of pressing tools 22 and the pair of pressing tools 22 respectively mounted on the pair of columns 21 cannot be moved relative to each other in the vertical direction (the thickness direction of the file object P). And a pair of fastening mechanisms 19 that can be fastened and released. Each fastening mechanism 19 includes an operation knob 23.

The column 21 stands vertically from the base plate 20 in a state where the base plate 20 is in a horizontal posture, and the column 21 is formed by connecting a plurality of the same column pieces 24 in a separable manner. However, the bottom column piece 24 is slightly different from the other column pieces 24. A number of column pieces 24 suitable for the thickness of the file object P are connected and used. A plurality of unused column pieces 24 are not used in the storage portion (not shown) on the inner surface side of the cover member 2. The plurality of fasteners 13 and the back cover expanding member 8 are accommodated.

[0028] As shown in FIGS. 9 to 12, the column piece 24 is a molded product made of metal or synthetic resin, and may be formed of, for example, an injection molded product of magnesium alloy. The column piece 24 includes a piece body portion 25 having a substantially horizontal cross section, a tapered leg portion 26 having a circular shape in a horizontal section and gradually decreasing in diameter downward, a connecting hole 27 formed in the piece body portion 25, and a piece. It has an engagement surface 28 formed on the side surface of the pressing member 22 on the side of the pressing plate 30 among the side surfaces of the main body portion 25. A pair of protrusions 26 a are formed at the lower end of the taper leg 26. The connecting hole 27 is formed as a tapered hole into which the tapered leg portion 26 can be inserted in close contact.

[0029] The connection hole 27 has a pair of grooves 27a for introducing a pair of protrusions 26a. The pair of protrusions 26a is at a position that is 45 degrees out of phase with the pair of grooves 27a in the clockwise direction in plan view. A bottom end force of each groove 27a is formed with an arc groove 27b that can turn the protrusion 26a in the horizontal direction by 45 degrees clockwise in plan view. Note that the arc groove 27b may be opened to the outside due to the restriction of the structure of the molding die for molding the column piece 24.

[0030] As shown in FIG. 12, the column piece 24 to be added is approached from above the column piece 24, and the tapered leg portion 26 is inserted into the connecting hole 27 of the lower column piece 24. Is rotated 45 degrees clockwise to closely engage the pair of protrusions 26a with the back of the pair of arcuate grooves 27b and add the column body 24 piece body The lower surface of 25 is brought into close contact with the upper end surface of the lower column piece 24 so that the additional column piece 24 can be connected to the lower column piece 24 in a separable manner without rattling.

[0031] The length of the column piece 24 is preferably an appropriate value in the range of 10 to 30 mm, for example, but is not limited to this range. In the case of a metal column piece 24, the dimension of one side indicating the thickness of the piece main body 25 is, for example, 6 to: In the case of a synthetic resin column piece where LOmm is desired, the dimension of the one side is 8 to It is desirable to make it about 15 mm. However, the thickness of the column piece 24 is not limited to the above value. Further, the shape of the horizontal cross section of the column piece 24 may be rectangular or other shapes.

However, the lowermost column piece 24L fixed to the base plate 20 does not have the taper leg portion 26, and is fixed to the base plate 20 by spot welding or the like. Alternatively, a short screw shaft instead of the taper leg portion 26 is formed in the lowest column piece 24L, and the screw shaft portion is formed in a screw hole formed in the base plate 20 (or a base plate portion thickened by a reinforcing plate). By fixing the lowermost column piece 24L by screwing, it is also possible to fix it using screws or pins using other cut and raised pieces formed on the base plate 20! /.

[0033] As shown in FIGS. 9, 13, and 14, the engagement surface 28 of the column piece 24 is, for example, a triangular wavefront having a pitch and a peak height of about 0.5 to 1.5 mm, and has a vertical cross-sectional shape. It is formed on a tooth-shaped triangular wavefront.

As shown in FIGS. 2 to 4, 13, and 14, the pressing tool 22 includes a pressing plate 30 for pressing the upper surface of the file object P, and the vertical movement of the pressing tool 22 relative to the column 21. In order to allow only this, the column 21 has a square frame-shaped peripheral wall portion 32 formed with an upright guide hole 31 through which a column 21 is inserted with a slight gap. A peripheral wall side portion of the peripheral wall portion 32 on the pressing plate 30 side is formed integrally with the pressing plate 30. The lower surface of the pressing plate 30 is a horizontal plane, and the upper surface is formed as an inclined surface, for example. It is also possible to form the lower surface of the pressing plate 30 at a position lower than the lower end of the peripheral wall 32 so that the thin file object P can be filed reliably!

[0034] Next, the fastening mechanism 19 will be described.

The fastening mechanism 19 is formed on the peripheral wall portion 32 around the guide hole 31 of the pressing tool 22 and the peripheral wall side portion facing the pressing plate 30 of the pressing tool 22 across the guide hole 31 of the peripheral wall portion 32. A horizontal screw hole 23b, and an operation knob 23 as an operation member having a screw shaft portion that is screwed into the screw hole 23b so as to be able to advance and retreat, and can fasten the column 21 to the peripheral wall portion 32 of the pressing tool 22. . As shown in FIGS. 13 and 14, the inner surface of the guide hole 31 facing the engagement surface 28 of the column 21 is engaged with the engagement surface 28 of the column piece 24 in a close contact manner as shown in FIGS. Surface 33 is formed. The engagement surface 33 is a triangular wave surface having a sawtooth shape in a vertical cross section, and is formed in a triangular wave surface opposite to the engagement surface 28. The engaging surfaces 28 and 33 are formed in such a shape that the engaging surface 33 is driven downward by the engaging surface 28 as the engaging surface 28 approaches the engaging surface 33.

[0035] The screw shaft portion 23a of the operation knob 23 is screwed into a horizontal screw hole 34 formed in the left wall portion of the peripheral wall portion 32 (the peripheral wall portion facing the pressing plate 30 of the pressing tool 22 across the guide hole 31). The column 21 is pressed against the peripheral wall portion 32 toward the pressing plate 30 at the tip of the screw shaft portion 23a so as to be fastened to the peripheral wall portion 32. In this fastened state, the pressing tool 22 cannot move in the thickness direction of the file object P with respect to the column 21.

When filing or taking out the file object P, loosen the operation knob 23 of the fastening mechanism 19 to release the engagement of the engagement surfaces 28 and 33, and then adjust the height of the pressing tool 22 as necessary. Change the position, and then remove the file object P. After that, when clamping the file object P in the pressed state, press the pressing tool 22 downward with the right hand to strongly press the file object P, and turn the operation knob 23 to the fastening side with the left hand to tighten it. .

[0036] As a result, the engagement surfaces 28 and 33 are completely engaged with each other and the pressing tool 22 is locked, so that the file object P is maintained in the pressing state and the pressing state does not loosen. . When the engaging surfaces 28 and 33 are engaged by the operation knob 23, the engaging surface 33 is driven downward by the engaging surface 28, so that a stronger pressing state is obtained. When the operation knob 23 is loosened or fastened, the screw shaft portion 23a has an advance / retreat amount of about 2.0 mm, so the operation knob 23 can be easily operated. Note that the column 21 is configured to have a strength sufficient to maintain the thick file object P in a strongly clamped state and a bending rigidity that does not deform more than a minute elastic deformation.

[0037] As shown in FIG. 13, a soft rubber plate 30a (for example, 3 to 6 mm in thickness) is fixed to the lower surface of the pressing plate 30, and the file object P is pressed through the rubber plate 30a. Even if configured to Alternatively, a soft rubber band may be attached to the pressing plate 30. However, the engagement surfaces 28 and 33 may be configured by a substantially flat friction surface having a large friction coefficient, not limited to the triangular wave surface.

FIGS. 15 to 17 are cross-sectional views of the main part of the cover member 2 of the binder 1, 1 A, and only the short axis 13 a is shown instead of the fastener 13. The same applies to FIGS. 16 to 19. 15 shows a cross section of the main part of the cover member 2 of the binder 1 of FIG. 1, FIG. 16 shows a cross section of the main part of the cover member 2 of the binder 1A of FIG. 2, and FIG. 17 shows two spine covers. The cross section of the principal part of the cover member of the binder 1B to which the expansion member 8 is added is shown.

[0039] Next, the actions and effects of the above binder 1-: LB will be described.

When the file object P is thin, it is used as the binder 1 as shown in Fig. 1 and Fig. 15. When the file object P is thick, the binder shown in Fig. 2, Fig. 16 and Fig. 17 is used. As shown in 1A and 1B, the spine cover enlargement member 8 is added to the spine cover 5 to increase the width of the spine cover (the spine cover area or the equivalent part of the spine cover), and the column piece 24 is added to the column 21 of the binding mechanism 7. In addition, since column 21 can be used in a long state, it can be filed with a single binding mechanism 19 from a thin file object to a thick file object. Convenient in terms of carrying the binder.

[0040] Since the column 21 having a structure in which a plurality of column pieces 24 are connected to the nodding mechanism 19, the height of the column 21 can be adjusted according to the increase of the file object P, and the thickness of the binder 1 can be adjusted. This makes it possible to reduce the manufacturing cost of Column 21. In addition, the structure of the column 21 and the pressing tool 22 is simple, and there are no parts that are easily damaged, so that the durability and reliability are excellent.

When the back cover expanding member 8 is assembled, the back cover portion (back cover region) of the cover member 2 can be maintained flat. In addition, even if the spine cover area of the cover member 2 is enlarged, the front cover 3 and the back cover 4 are not affected, so that the function of the cover member 2 can be secured. Since the structure of the back cover portion (back cover area) of the cover member 2 is not complicated, the cover member 2 can be made of cardboard or synthetic resin sheet material, so that the production cost is not so high.

[0041] When removing the file object that has been filed and file a new file object, the back cover enlargement member 8 is removed and the binder back cover (back cover area) is removed. Since the width can be reduced, the binder can be used repeatedly.

Since the first, third, fourth connecting portions 10, 16, and 17 are formed of flange portions bent at right angles to the inside, it is possible to connect the connecting portions inside the cover member 2. Therefore, the appearance of the binder 1, 1A, 1B can be maintained well. Since the connecting portion is connected by the fastener tool 13 having a simple structure, connection and separation can be easily performed.

[0042] Since the clamp type binding mechanism 7 is provided, it is convenient because a file can be filed without forming two holes in the file object P, and a desired document in the file object P can be taken out or the binder 1 You can easily do this when creating a document file to be added. In the case of the file object P having a large thickness, the file object P can be strongly clamped and filed by pressing the pressing tool 22 by hand and then fastening the file object P in a compressed state.

[0043] Since the engagement surface 33 is driven downward by the engagement surface 28 when the operation knob 23 is driven to be fastened, the pressing force for pressing the file object can be increased. In the binding mechanism 7, the operation knob 23 is operated to the fastening side so that the engagement surface 28 of the column piece 24 is engaged with the engagement surface 33 of the inner surface of the guide hole 31 almost closely. Since the pressing tool 22 is not likely to move toward the loose side (upward) with respect to 21, it is possible to maintain a pressing state equal to or higher than the pressing state when manually pressed, and it is excellent in reliability.

[0044] Next, an example in which the embodiment is partially changed will be described.

[1] As shown in FIG. 18 and FIG. 19, in this binder 1C, there is formed a divided connecting portion 6A that detachably connects the middle part of the spine cover 5 in the width direction, and this divided connecting portion 6A is formed on the front cover. 3 has a first connecting portion 10C formed at the end of the first back cover portion 5A connected to 3, and a second connecting portion 11C formed at the end of the second back cover portion 5B connected to the back cover 4. At least one spine cover enlargement member 8 capable of expanding the width of the spine cover 5 is provided, and the spine cover enlargement member 8 is arranged between the first and second connection parts IOC, 11C in a state where the split connection part 6 is separated. Thus, the third and fourth connecting portions 16 and 17 at both ends in the width direction of the spine cover expanding member 8 are configured to be connectable to the first and second connecting portions 10 C and 11 C by the fasteners 13 respectively! .

FIG. 19 shows the binder 1D in a state in which the back cover expanding member 8 is incorporated in the binder of FIG. 18 and the width of the back cover 5 is expanded. In this binder 1D, the first and second back cover parts 5 If the widths of A and 5B are the same, cover cover 3 and first back cover part 5A and back cover 4 and second spine cover part 5B should be composed of the same material with multiple circular holes and broken lines in common. This is advantageous in manufacturing the cover member 2.

[0046] FIG. 20 shows a modified fastener tool 13A. The fastener tool 13A is composed of a set screw and has a fastener body 40 and a nut member 41. The fastener body 40 has a head 40a and a screw shaft 40b. The nut member 41 has a head portion 41a and a cylindrical portion 41b having a screw hole into which the screw shaft 40b is screwed. The head portion 41a has an operation groove 41c for operation with a coin or a screwdriver. Is formed. When connecting the connecting portion of the cover member 2 with the fastener tool 13A, a plurality of connecting portions are clamped between the heads 40a and 41a. Various fastener tools can be used as the fastener tool.

[0047] FIGS. 21 and 22 show a column piece 24A of a modified example. In this column piece 24A, a screw shaft leg portion 42 is provided instead of the taper leg portion 26 in the column piece 24 shown in FIG. 9, and a screw hole 43 into which the screw shaft leg portion 42 is screwed is provided instead of the connecting hole 27. An engagement surface 28A similar to the engagement surface 28 is formed on one side surface of the piece body 25A. In a state in which the plurality of column pieces 24A are connected, all the engaging surfaces 28A are configured to appear on the side surface on the pressing plate 30 side.

[0048] FIGS. 23 to 25 show modified examples of the column piece and the pressing tool of the binding mechanism 7. The pressing tool 22A includes a pressing plate 30A, a peripheral wall portion 32A integrally formed with the pressing plate 30A, a peripheral wall portion 32A having a guide hole 47, and a pair of elastic arms 44 and 45 constituting the peripheral wall portion 32A. And an operation lever 46. The pair of elastic arms 44 and 45 are a first elastic arm 44 that is linear and extends to the left end force of the pressing plate 30A, and a second elastic arm 45 that is L-shaped. The second elastic arm 45 has a linear first arm portion 45a in which the left end force of the pressing plate 30A extends to the left and a second arm portion 45b in which the left end force of the first arm portion 45a extends rearward. The guide hole 47 is formed in a hole that allows only the vertical movement of the pressing tool 22A relative to the column 21A.

[0049] Engaging surfaces 28B similar to the engaging surfaces 28, 28A are formed in a half-width region on a pair of parallel side surfaces of the piece main body 25B in the column piece 24B shown in FIG. The inner surface of the first elastic arm 44 and the inner surface of the first arm portion 45a of the second elastic arm 45 can be engaged with the engagement surface 28B. Engaging surfaces 48, 49 are formed in the half-width region. When the first elastic arm 44 and the first arm portion 45a are elastically deformed to the close proximity side, the engagement surfaces 48 and 49 engage with the engagement surfaces 28B and 28B on both sides of the plurality of column pieces 24B to be locked. When the elastic deformation of the first elastic arm 44 and the first arm portion 45a is released, the engagement surfaces 48, 49 are released from the engagement surfaces 28B, 28B on both sides, and the pressing tool 30A is moved to the column 21A. Can be raised and lowered.

[0050] The operation lever 46 includes a lever portion 46a, a pivot shaft portion 46b protruding rightward from the lever portion 46a, and a cam shaft portion 46c having an oval cross section extending rightward from the pivot shaft portion 46b. It has. The second arm portion 45b is formed with an oval hole 45c through which the pivot shaft portion 46b and the cam shaft portion 46c can pass (see FIG. 25). Fig. 24 shows the first elasticity by tilting the lever part 46 in a horizontal position, pushing the second arm part 45b backward by the pivot shaft part 46b, and pushing the first elastic arm 44 forward by the cam shaft part 46c. The state in which the arm 44 and the first arm portion 45a are elastically deformed toward the phase approach side is shown. In this state, the engagement surfaces 48 and 49 are engaged with the engagement surfaces 28B and 28B to maintain the locked state. The first elastic arm 44 and the first arm portion 45a correspond to the opposing peripheral wall side portions of the peripheral wall portion 32A.

[0051] When this state force is also in a vertical posture (shown by a three-dot chain line in FIG. 25) in which the operating lever 46 is rotated 90 degrees upward, the cam shaft portion 46c is separated from the first elastic arm 44. The elastic deformation of the elastic arm 44 and the first arm portion 45a is released, and the engagement surfaces 48 and 49 are separated from the engagement surfaces 28B and 28B to release the locked state. Can be moved up and down. During assembly, the column 21A is not passed through the guide hole 47, and the first elastic arm 44 and the first arm 45a are elastically deformed toward each other as shown in FIG. The operation lever 46 can be assembled to the second inertial arm 45 by inserting the pivot shaft portion 46b and the cam shaft portion 46c from 45c.

[0052] The pressing tool 22A and the operation lever 46 do not need to form a screw shaft or screw hole, which is advantageous in manufacturing and can reduce manufacturing costs. Various mechanisms (including a screw mechanism, a wedge mechanism, a cam mechanism, etc.) other than those shown in the figure can be adopted as the mechanism for elastically deforming the first and second elastic arms 44 and 45.

[0053] [5] As shown in FIG. 26, the column is suitable for the thickness of the file object from the plural types of columns 21a to 21c of different lengths that are incidentally provided in the noinder. Any one of the lengths The columns 21a to 21c are selected and attached to the base plate 20A in a separable manner. Base plate 2 A base piece 50 in which a screw hole 51 is formed is fixed to a portion of the OA where a column is attached by welding or a screw. As the plurality of columns 21a to 21c, for example, an integrated column 21a having a length suitable for the binder in the state of FIG. 15, an integrated column 21b suitable for the binder in the state of FIG. 16, and the state of FIG. A column group consisting of a single column 21c suitable for the binder is attached to the two sets of binders.

[0054] At the lower ends of the columns 21a to 21c, screw shaft portions 52 that are screwed into the screw holes 51 of the base piece 20A are formed. In the state where the columns 21a to 21c are fastened to the screw holes 51, the side surfaces facing the pressing plate 30 of the pressing tool 22 among the side surfaces of the columns 21a to 21c are engaged surfaces similar to the engaging surfaces 28 and 28A. 28B is formed. A column having a length suitable for the thickness of the file object is attached to the screw hole 51, and a pressing tool 22 is attached as shown in FIG. In the case of these columns 21a to 21c, the number of parts is reduced. Columns 21a to 21c can be securely fixed to the base plate 20A, providing excellent stability in the clamped state. 9 may be used instead of the screw shaft 52, and a connection hole similar to the connection hole 27 of FIG. 9 may be used instead of the screw hole 51.

[6] [6] The pressing plate 30 of the pressing tool 22 is composed of a panel steel pressing plate capable of exerting a strong elastic force, and when pressing the file object, the pressing tool 22 is manually pressed. It may be configured so that it is pressed downward to keep the pressing plate elastically deformed moderately! /.

[7] It is also possible to integrally form the pair of pressing tools 22 and provide a common pressing tool common to a pair of columns.

Alternatively, at least the column width (dimension in the length direction of the base plate 20) is enlarged to increase the size of the column 21, and the single large column is mounted on the base plate 20, and one column is attached to the column. It is also possible to install a pressing tool and clamp the middle part of the file object P in the length direction with this single pressing tool! /.

[8] In the above embodiment, the binder 1 in which the binding mechanism 7 is incorporated in the cover member has been described as an example. However, the binding mechanism 7 of the present invention has a configuration in which the cover member 2 is omitted (the nodding mechanism 7 alone File object can also be filed [9] The above-described embodiments are merely a few examples of the present invention, and those skilled in the art can implement the present invention by adding various modifications to the above-described embodiments without departing from the spirit of the present invention. The present invention includes such various modifications.

Claims

The scope of the claims

[1] In a binding mechanism for pressing a part of the file object in a state where the file object such as a document is stacked and clamping it.

A base plate,

A column that rises vertically from the base plate in a state where the base plate is in a horizontal posture, and a pressing tool that is mounted on the column so as to be movable up and down and presses a file object toward the base plate. A pressing tool having a vertical guide hole through which a column is inserted so as to allow the vertical movement of the pressing tool with respect to

A fastening mechanism capable of fastening the pressing tool to the column so as not to be relatively movable in the thickness direction of the file object and releasing the fastening;

A binding mechanism characterized by comprising:

2. The binding mechanism according to claim 1, wherein a pair of the columns spaced apart from each other is provided, and a pair of pressing tools corresponding to the pair of columns is provided.

[3] The binding mechanism according to claim 1, wherein a pair of the columns spaced apart from each other is provided, and a common pressing tool is provided for the pair of columns.

[4] The column and the guide hole are formed in a substantially rectangular shape in a horizontal section,

The fastening mechanism includes a peripheral wall portion around the guide hole of the pressing tool, a horizontal screw hole formed in the peripheral wall portion, and a column that can be freely reciprocated into the screw hole to fasten the column to the peripheral wall portion. 2. The nodding mechanism according to claim 1, further comprising an operation member having a simple screw shaft portion.

[5] The pressing tool has a pressing plate for pressing the file object,

The pressing tool is relative to the column on the outer surface of the column on the pressing plate side of the outer surface of the column and the inner surface of the inner surface of the guide hole facing the outer surface of the column. 5. The binding mechanism according to claim 4, wherein engaging surfaces are formed to engage with each other so as not to move.

[6] When the engagement surface formed on the outer surface of the column engages with the engagement surface formed on the inner surface of the guide hole, the engagement surface of the inner surface is The both engagement surfaces are formed so as to be driven downward by the engagement surfaces. The described binding mechanism.

7. The binding mechanism according to claim 8, wherein the both engaging surfaces are formed so as to form a triangular wave surface having a sawtooth vertical cross section.

[8] The column and the guide hole are formed in a substantially rectangular shape in a horizontal section,

The fastening mechanism includes a peripheral wall portion of the guide hole and a clamp mechanism that tightens both side force columns of the column by elastically deforming a pair of opposing peripheral wall side portions of the peripheral wall portion in the phase approaching direction. The binding mechanism according to claim 1, wherein:

[9] The column has a plurality of common column pieces that are separably connected, and is configured such that the length of the column can be changed by increasing or decreasing the number of column pieces. The binding mechanism according to claim 1.

[10] The column can be separated into the base plate by selecting a column having a length suitable for the thickness of the file object from a plurality of types of columns of different lengths provided incidentally to the binder. The binding mechanism according to claim 1, wherein the binding mechanism is attached to the function.