JPH10252722A - Clip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clip to maintain the holding force of an object to be nipped even in reutilization. SOLUTION: A clip 1 is formed such that a bundle is grasped between a pair of clamps relatively approaching and parting from each other and the end part of a bundle S of sheet materials is positioned after the bundle clamped between a pair of the clamps 4 and 4 in an opening state and a pair of the clamps 4 and 4 are closed to nip the end of the bundle S. When folding is effected by a pair of the clamps 4 and 4, a pair of free end parts 1A positioned on the opposite side to a folded portion are formed in a shape uneven and asymmetrical to the other edge parts 1B.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clip which is loaded into a holding device to hold a bundle of sheet materials, and more particularly to a clip which can be easily reused.

[0002]

2. Description of the Related Art Conventionally, an elastic steel plate is bent into a substantially isosceles triangle shape as a clip for bundling laminated sheet materials such as a paper bundle, and an end located at a position corresponding to the apex angle of the isosceles triangle. Are known in which a gripping frame made of a metal shaft is rotatably attached to each. When the gripping frames approach each other toward the base side of the isosceles triangle, both ends at the base are opened.

In recent years, copying machines and the like having an electric stapler are available, but in the case of a stapler, a U-shaped metal needle is inserted into an end of the sheet material, and the sheet material is stapled. The front ends projecting toward the back side are bent in the approaching direction to each other, so that the sheet material is fixedly closed.

[0004] However, depending on the sheet material, there are cases in which it is not desired to penetrate the metal needle through the sheet material, or it is desirable that the metal needles are simply bundled by copying after reading. In response to such a demand, a clipping device for bending a clip made of a flat metal piece to clamp a sheet material has been studied. This pinching device grips a clip between a pair of clamps that open and close like pliers, and when the paper bundle is positioned at the center of the pair of clamps, closes the clamp and clamps the paper bundle with the clip. It has a structure to be.

[0005]

However, if such a clip is once removed from the paper bundle at the time of copying or the like, and then the paper bundle is sandwiched and held again, it is difficult to remount the clip or the holding force is reduced. May be weak.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to improve the ease of re-attaching a clip once used in such a holding device to a paper bundle or the like.

[0007] In order to solve such a problem, a clip according to claim 1 of the present invention is formed of a metal plate-like member, is held between a pair of relatively approaching / separating clamps, and is opened. A clip that grips between a pair of clamps in a state, positions an end of a laminate formed by stacking sheet materials, closes the pair of clamps, and clamps an end of the laminate. Is that, when being bent by the pair of clamps, one of a pair of free ends located on the opposite side of the bent portion has an irregular shape with the shape of the other free end. It is characterized by.

A clip according to a second aspect of the present invention is formed of a metal plate-like member, and is gripped between a pair of relatively approaching / separating clamps, and gripped between a pair of open clamps. A clip for closing an end of the laminated body by closing the pair of clamps and positioning the end of the laminated body obtained by laminating the sheet materials later, wherein the clip is located on the opposite side of the bent portion. A guide protruding in a direction away from the laminate when the laminate is sandwiched, and guiding the laminate into the clip when the clip detached from the laminate is reattached to at least one of the free ends. A part is formed.

The clip according to claim 3 of the present invention is made of a metal plate-like member, is gripped between a pair of clamps relatively approaching / separating from each other, and is gripped between the pair of clamps in an open state. Positioning the end of the laminate formed by laminating the sheet material, a clip that closes the pair of clamps and clamps the end of the laminate, the elastic limit near the bent central portion of the clip, It is characterized in that it is formed lower than the elastic limit on the free end side.

The clip according to claim 4 of the present invention is formed of a metal plate-like member, is gripped between a pair of clamps relatively approaching / separating from each other, and is gripped between a pair of clamps in an open state. A clip for positioning an end of a laminate formed by stacking sheet materials, closing the pair of clamps, and clamping the end of the laminate, wherein the clip is heated to a predetermined temperature higher than normal temperature. It is characterized in that it is constituted by a shape memory member whose free ends expand when it is made. According to the clip of claim 1 of the present invention, in the case of copying or the like,
When binding the laminate again after removing the clip holding the laminate of the sheet material, hang the end of the laminate on the longer free end from the bent part, and free the shorter free end from the bent part. By twisting the clip with the end as a fulcrum, the stack can be easily inserted into the clip and re-bound.

According to the clip of the second aspect of the present invention, when the clip holding the laminated body is removed and then mounted again, the laminated body can be inserted between the free ends of the clip by the guide portion. .

According to the clip of the third aspect of the present invention, if the elastic limit in the vicinity of the center of the bent portion of the clip is set lower than the elastic limit on the free end side, the force for holding the bound laminated body is obtained. Therefore, even when the detached clip is remounted, the holding force of the clip for holding the sheet material is maintained.

According to the clip of the fourth aspect of the present invention, when performing normal binding at normal temperature, the sheet material can be held, and the clip can be removed by heating to the set temperature. And a constant holding force can be maintained.

[0014]

Next, a clip according to a preferred embodiment of the present invention will be described with reference to the drawings.

FIGS. 1A to 1D show a first embodiment of the present invention.
10 shows a planar shape of the clip of the embodiment. These clips are bent by the clamps of the holding device shown in FIG. 4 to hold the sheet bundle S (laminate). The sandwiching device is provided on a tray such as a tray or a sorter for stacking copied paper of a copying machine or a facsimile. The clamping device includes a cartridge loaded with a large number of these clips, clamps 4 holding the upper and lower ends of the clips, and means for supplying the clips 1 to the clamps 4 from the cartridge.

The free end of the clip 1 is asymmetrical with respect to the center line of the bending, and
In the case of bending, the edges are irregular, and the inner surface of each free end is formed in a shape that is exposed.

That is, in the clip 1 shown in FIG. 1A, when the free ends 1A and 1B at both ends of the clip 1 project at an acute angle, the clip 1 is bent around the bending center line 1C. In addition, the inner surfaces 2A, 2B of the free ends 1A, 1B are exposed. The clips 1 are, for example, punched out of a steel plate, a stainless steel plate, or an aluminum plate into an elongated parallelogram by pressing, are arranged at equal intervals in the width direction, and are connected at the center by a tape 3. As shown in FIG. 3, the tape 3 is formed of, for example, a film of polyethylene or the like, and is stretched in the width direction of the tape 3 so as to be easily torn in the width direction of the tape 3 itself. When the clip 1 is locked to the step portions 4A, 4A of the clamps 4, 4 shown in FIG. 4 and the clamps 4, 4 are closed, the tape 3 is torn in the width direction of the tape 3, and the connected body 5 of the clip 1 Separated from

Since the clip 1 is formed so that the free ends 1A, 1B at both ends are not aligned when bent, the clips 1, 4 of the clamps 4, 4 are held so that the protruding portions of the free ends 1A, 1B are held. The shapes of the steps 4A, 4A may be formed so that the clamps 4, 4 grip the clip 1 reliably.

According to the clip 1, the clamps 4, 4
When the clip 1 is bent to sandwich a bundle S of sheet materials such as copy paper, the free ends 1A and 1
B is irregularly bent. Therefore, when copying, etc.
When the clip 1 detached from the sheet material bundle S is attached to the bundle S again, if the clip 1 is twisted with the sheet material bundle S applied to the inner surface of the free ends 1A and 1B, the free end 1A , 1B are easily held by the clip 1 by inserting the bundle S, and the bundle S
Is moved, the sheet material bundle S is sandwiched and held again.

The clip 6 shown in FIG. 1B is obtained by cutting one corner of an elongated rectangular steel plate.
When C is formed and bent at the bending center line 6D, the free ends 6A and 6B overlap irregularly. This clip 6 has a bundle S
When the free end 6A is twisted so as to approach the side surface of the bundle S, the bundle S enters between the free ends 6A and 6B of the bent clip 6, so that the clip 6 If the bundle S is moved to the back of the bundle S, the bundle S is held again by the clip 6.

The clip 7 shown in FIG. 1C is made of an elongated rectangular steel plate, and a bending center line 7C is provided at a position away from the center of the free ends 7A and 7B. Since the center line 7C is provided at a deviated position, the free ends 7A and 7B overlap one another irregularly when bent.

In order to bias the bending center line 7C of the clip 7 to one free end 7A, for example, the bending center line 7C
This can be achieved by providing a groove, a dent, an annealed portion, or the like for concentrating bending stress in accordance with the above, or by providing a guide for bending on the clamps 4 side.

According to the clip 7 shown in FIG. 1C, when the free end 7A is applied to the side surface of the bundle S so that the free end 7A becomes a fulcrum, and the free end 7B is twisted toward the bundle S, the free end can be obtained. End 7A,
7B, the bundle S is moved into the back of the clip 7 as it is.
Can be pinched and held.

The clip 8 shown in FIG. 1D has one free end 8A formed in a triangular shape, the other free end 8B formed in a rectangular shape, and a bent center line at the center of the clip 8 in the longitudinal direction. 8C is provided. As a result, FIG.
As shown in (D), when the clip 8 is bent, the free ends 8A and 8B are superposed irregularly.

When the bundle S is detached from the bundle S and held again by the bent clip 8, the inclined portion of the free end 8A is brought into contact with the side of the bundle S as a fulcrum,
If the free end 8B is twisted toward the bundle S, the bundle S enters between the free ends 8A and 8B. Therefore, if the bundle S is moved to the inside of the clip 8 as it is, the bundle S can be clamped and held by the clip 8. .

FIGS. 5A to 5D show the second embodiment of the present invention.
9 shows the clip of the embodiment. FIG.
The clip 9 of (A) is a free end 9A, 9 of the clip 9.
B has a guide portion curled outward in advance, and is formed in a flat plate shape except for the curled guide portions at the free ends 9A and 9B. The clips 9 are connected by, for example, a tape 3 or the like, and are cut by closing the clamps 4 and 4. The clip 9 has a guide portion that curls outward so that the free ends 9A and 9B bundle the bundle S. Therefore, the clip 9 has one free end 9A as a fulcrum and a bundle on the inner surface of the other free end 9B. The bundle S can be easily sandwiched and held between the clips 9 by twisting the bundle S against the side of the bundle S and further moving the bundle S to the back of the bent clip 9.

In the clip 10 of FIG. 5B, one free end 10A is curled to form a guide portion, and the other free end 10B is formed in a flat plate. Clip 10
Is one free end 10 when bent by the clamps 4
The curled portion of A is expanded in a direction away from the other free end portion 10B. In the clip 10, only the free end portion 10A is processed into an arc shape at the time of press molding or by subsequent processing. In the mechanism for sending the clip 10 to the clamps 4 and 4, a press mechanism for bending the free end 10A is provided. The free end 10 </ b> A may be formed at 10. This clip 1
According to No. 0, the bundle S of sheet materials is applied to the curled free end 10A so as to be a fulcrum, and the flat free end 1
When OB is twisted toward the bundle S, the bundle S is sandwiched between the bent clips 10. When the bundle S is moved to the back as it is, the bundle S can be sandwiched and held between the clips 10 again.

The clip 11 shown in FIG.
Similarly to the clip 10 of FIG. 7B, a tapered portion 11C as a guide portion is formed in advance at the free end portion 11A in the sheet bundle S, and the other portions are formed in a flat plate shape. The tapered portion 11C may be formed in advance, or may be pressed before being locked by the clamps 4, 4. According to the clip 11, the bundle S is connected to the free end 11A,
If it is moved to the back from between 11B, it can be easily held again.

In the clip 12 shown in FIG. 5D, a curl portion 12C which comes into contact with the sheet bundle S is formed in the vicinity of the free end portion 12A in advance, and the other free end portion 12B and other portions are flat. Is formed. This curl part 12
C may be formed in advance, or may be pressed before being locked by the clamps 4 and 4. According to the clip 11, if the bundle S is moved to the back from between the free ends 12A and 12B, it can be easily held again.

FIG. 6 shows a clip 13 which can be bound in accordance with the thickness of the sheet material bundle S. The clip 13 is made of a steel plate, and the elastic limit of the free ends 13A and 13B is set higher than the elastic limit of the bent central portion 13C by, for example, quenching. The elastic limit is set low by annealing or the like.

According to the clip 13 in FIG. 6, when the bundle S is clamped by the clamps 4 and 4, the elastic limit of the free ends 13A and 13B is high and the elastic limit of the central portion is low. The force for holding and holding S is increased, and the force for holding and holding the clip 13 does not decrease even if the clip 13 that has been held is detached from the bundle S and then is held again.

FIG. 7 shows a clip 14 made of a shape memory alloy steel plate. When the clip 14 is heated to a temperature higher than the normal temperature, the shape of the bent portion is stored so that the radius of curvature of the bent portion becomes large, and the clip 14 is easily attached and detached. I can do it.

The clips 1 to 14 have "V"
A cutout having a “U” / “[” shape may be provided, and the protrusion inside the cutout may have a function of preventing the pullout by locking to the surface of the sheet bundle S when bent. Also,
Characters and graphics may be displayed on the front or back surfaces of the clips 1 to 13, or color painting, plating, embossing, printing, sticking a seal, or the like may be performed alone or in combination. Further, a soft plastic layer or a soft rubber layer which increases sliding friction resistance may be formed on the inner surfaces of the bent portions of the clips 1 to 14 in order to eliminate the ease of dropping of the clips.

[0034]

According to the clip of claim 1 of the present invention,
In the case of copying, etc., when removing the clip holding the laminate of the sheet material and binding the laminate again, the end of the laminate is hung on the longer free end from the bent portion and bent. If the clip is twisted with the shorter free end from the part as a fulcrum, the stack can be easily inserted into the clip and re-bound.

According to the clip of the second aspect of the present invention, when the clip holding the laminated body is removed and then mounted again, the laminated body can be inserted between the free ends of the clip by the guide portion. .

According to the clip of the third aspect of the present invention, when the elastic limit near the center of the bent portion of the clip is set lower than the elastic limit at the free end side, the force for holding the bound laminated body is obtained. Therefore, even when the detached clip is remounted, the holding force of the clip for holding the sheet material is maintained.

According to the clip of the fourth aspect of the present invention, the sheet material can be held when normal binding is performed at room temperature, and the clip can be removed by heating to the set temperature. And a constant holding force can be maintained.

[Brief description of the drawings]

FIG. 1A is a plan view of a clip according to a first embodiment of the present invention; FIG. 1B is a plan view of a clip according to a first modification of the first embodiment; FIG. 1D is a plan view of a clip according to a second modification of the first embodiment. FIG. 1D is a plan view of a clip according to a third modification of the first embodiment.

FIG. 2A is a plan view showing a state in which the clip according to the first embodiment of the present invention is bent; FIG. 2B is a view showing a state in which the clip according to a first modification of the first embodiment is bent; FIG. 2C is a plan view showing a state in which the clip of the second modification of the first embodiment is bent. FIG. 2D is a third modification of the first embodiment. Plan view of the state where the clip is bent

FIG. 3 is a view showing a part of a clip belt in which the clips shown in FIG. 1A are connected by a tape;

FIG. 4 is a schematic diagram of a clamp for bending a clip of the present invention to clamp a bundle of sheet materials.

FIG. 5A is a plan view showing a state in which a clip according to a second embodiment of the present invention is bent. FIG. 5B is a view showing a state in which a clip according to a first modification of the second embodiment is bent. FIG. 5C is a plan view showing a state in which the clip of the second modification of the second embodiment is bent. FIG. 5D is a third modification of the second embodiment. Plan view of the state where the clip is bent

FIG. 6 is a plan view showing a state where a clip according to a third embodiment of the present invention is bent.

FIG. 7 is a plan view showing a state where a clip according to a fourth embodiment of the present invention is bent.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Clip 1A, 1B Free end 4 Clamp 5 Clip connection body 6, 7, 8 Clip

Claims (4)

[Claims] 1. A lamination comprising a metal plate-like member, held between a pair of clamps relatively approaching / separating from each other, and being held between a pair of clamps in an open state and then laminating a sheet material. A clip that positions an end of a body, closes the pair of clamps, and clamps an end of the laminated body, the clip being folded by the pair of clamps on the opposite side of the bent portion. Wherein the shape of one of the pair of free ends located in the shape of the clip is irregular in shape with the shape of the other free end. 2. A lamination comprising a metal plate-like member, which is gripped between a pair of clamps relatively approaching / separating from each other, and which is gripped between a pair of clamps in an open state and then laminated with a sheet material. A clip for positioning the end of the body, closing the pair of clamps and clamping the end of the laminated body, wherein the clip is attached to at least one of the free ends located on the opposite side of the bent portion, A guide portion that projects in a direction away from the laminate when the laminate is sandwiched and guides the laminate into the clip when the clip removed from the laminate is remounted is formed. And clip. 3. A lamination comprising a metal plate-like member, gripped between a pair of clamps relatively approaching / separating from each other, and gripping between a pair of clamps in an open state and then laminating a sheet material. A clip for positioning the end of the body, closing the pair of clamps and clamping the end of the laminate, wherein the elastic limit near the bent center of the clip is smaller than the elastic limit on the free end side. A clip characterized by being formed low. 4. A lamination comprising a metal plate-like member, gripped between a pair of clamps relatively approaching / separating from each other, gripping between a pair of clamps in an open state, and laminating a sheet material. A clip for positioning an end of a body, closing the pair of clamps and sandwiching an end of the laminated body, wherein the free ends of the clip expand when the temperature is raised to a predetermined temperature higher than room temperature. A clip comprising a shape memory member.