JP2001300865A - Stapler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stapler suitable for filing documents with staples formed with a relatively soft material such as paper. SOLUTION: This stapler 1 is provided with a staple magazine 3 for housing staples 101, an upper lever 41 rotatably mounted on the magazine case 5 and having a staple pressing plate 59 on the front side tip, and a base 71 having a base plate 73. A pair of cutters 61, 63 are mounted on both sides of the staple pressing plate, the documents are holed by the cutters, and leg parts 105 of the staple are inserted in the holes. A document receiving table 79 having an opening 83 is mounted on the base plate, and a staple receiving table 85 is arranged inside it. An oscillation lever 87 is provided, the staple receiving table is mounted on the front side tip, contact arms 90 and 91 on the rear side are pressed down by the downward moving upper lever, the staple receiving table is moved upward, and the leg parts of the staple are bent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

This invention relates to staplers and, more particularly, to staplers particularly suitable for use with soft staples made of materials such as paper.

[0002]

2. Description of the Related Art Conventionally, a staple made of a thin metal needle having a straight main body and legs bent at substantially right angles on both sides thereof has been used for binding documents and the like. Dedicated staplers are widely used.

Since the staples are made of metal, a stapled document is not required. When the staples are to be reproduced and used, it is necessary to remove the staples and to perform a reproducing process. Also, when cutting with a shredder in order to maintain confidentiality, the blade of the shredder is damaged, so the staple must be removed before processing. Furthermore, if the removed staples are spilled on the floor, they may become an unexpected danger. In view of these points, the applicant of the present application has conducted intensive research and developed staples made of paper or the like.

[0004] However, in the case of staples made of paper, it is possible to impart a certain degree of hardness by processing, but it is impossible to penetrate a document in which a large number of sheets of paper are piled up by themselves, such as metal staples. Impossible.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is used for binding a document with relatively soft staples made of paper or the like. It is an object of the present invention to provide a stapler that is particularly suitable for performing a stapling operation.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a bottom wall, and both side walls erected opposite each other along both side edges in the longitudinal direction of the bottom wall. A staple magazine for storing staples, the staple magazine comprising an end wall erected at least at a front end in the longitudinal direction of the bottom wall, and the staple magazine at the front end side of the bottom wall. A staple magazine provided with an urging means for urging the staples toward the front end, and an staple magazine provided with an urging means for urging the staples toward the front end, and a staple at a rear end; An upper lever rotatably mounted to a rear end of the magazine, a staple pushing member provided at a front end of the staple for pushing a staple positioned above the opening from above and pushing the staple downward from the opening; and Magazi A base plate disposed on the lower side, and a staple receiving table that is disposed at a position facing the opening on the base plate, receives a staple leg pushed out from the opening, and guides the staple to bend in a desired direction. A stapler comprising: a base provided with the base, wherein the upper lever extends downward beyond a lower end of the staple pushing member along both side surfaces of the staple pushing member, and has a cutting blade at the lower end thereof. The cutter was integrally attached.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings, but the scope of the present invention is not limited to the embodiments described below.

FIG. 1 is a perspective view of a stapler 1 according to a specific embodiment of the present invention, and FIG. 2 is an exploded perspective view thereof. The stapler 1 is roughly divided into a staple magazine 3 for accommodating a plurality of staples 101 in a continuous state, and an outer surface of a main body 103 extending between two legs 105 of the staples, and the outer surface of the staple 103 is pushed from the magazine 3 to be described later. An upper lever 41 provided with a member for pushing out as described above, and a base 7 provided with a member for receiving and bending the leg portion 105 of the staple 101 pushed out of the magazine 3 as described later.
1 and 1. The staple 101 used in the stapler 1 is made of paper in the present embodiment, and has one shape, as shown in FIG. The legs 10 are bent at substantially right angles and extend opposite to each other.
5 and 107 are provided. The width, thickness, and height of the staple 101 are indicated by B, T, and H, respectively. Also,
A pressure-sensitive adhesive is applied to the inner surface of the staple 101.

The staple magazine 3 is provided with a magazine case 5 in which the upper side is opened and a plurality of staples 100 are stored in a continuous state. In the following description, for convenience of explanation, the left side will be described as the front, the right side as the rear, the near side in the drawing as the left side, and the rear side as the right side, but this does not limit the present invention at all.

The magazine case 5 is formed to be elongated in its entirety, and has a bottom wall 7 and side walls or right and left standing upright facing each other along both sides or left and right edges in the longitudinal direction of the bottom wall. Side walls 9 and 11 are provided. And
At one end or front end 13 of the magazine case 5,
An end wall or a front side wall 15 is formed so as to stand upward from the bottom wall 7 and extend between front end portions of the left and right side walls 9 and 11. However, in the other embodiments, it is not necessary to completely close the space between the left and right side walls 9 and 11 as long as the front side surface of the staple 101 can be received at this portion and the staple 101 can be prevented from coming out of the front side. The other end of the magazine case 5, that is, the rear end 14, is open in the present embodiment. The distance between the inner side surfaces of the left and right side walls 9 and 11 is determined according to the width B of the staple 101, and the staple 1 in the case 5 is determined.
01 is guided in the forward and backward directions. However, as shown in a partially enlarged plan view of FIG. 4, grooves 9a, 11a extending vertically on the left and right side walls 9, 11 are provided in a portion corresponding to the thickness of one staple from the inner surface of the front side wall 15.
Are formed facing each other, and the distance between the left and right side plates 9 and 11 at this portion is wider than other portions.
When the upper end portions of the left and right side walls 9 and 11 are bent inward toward each other to form a guide portion for the staple 101, a cutout is provided in the bent portion to form the groove 9.
What is necessary is just to give the shape corresponding to a and 11a.

The staple magazine 3 is used for a conventional metal staple, for example, a staple type stapler. The staple magazine 3 urges the staple 103 toward the front end portion 13 or the front side wall 15 of the case 5. Means 17 are provided. That is, at a position slightly forward of the rear end portion 14 of the case 5, a rod supporting rear plate 19, which is a plate-like member, is erected on the bottom plate 7 as shown in the drawing. Although not shown in the drawing, the rod supporting front plate 21 is concealed by staples, and the rod supporting front plate 21 is closer to the front end 13 of the case 5, specifically, in the present embodiment, the third from the front. It is provided so as to be located inside the staple. The rod 23 is extended with both ends supported by the two support plates 19 and 21. Reference numeral 27 denotes a slider, and the side walls 9 and 11 of the case are provided at both side surfaces 27a and 27b.
And can move back and forth in the case 5. A compression coil spring 25 is wound around the rod 23, one end of which is in contact with the rear side surface 27 d of the slider 27, and the other end is received by the rod supporting back plate 19. Therefore, a forward force is always applied to the slider 27, and the front side surface 27c of the slider 27 hits the rear side of the rearmost staple, and biases the entire staple toward the front side wall 15.

On the bottom wall 7 of the magazine case 5, a front side plate 1 is provided.
Immediately inside 5, an opening 29 is formed through which the staple 101 is extruded, similarly to a conventional stapler-type stapler. Opening 2
The shape of 9 is rectangular as shown, and its front edge 29a is substantially coincident with the inner surface of the front wall 15, and left and right edges 29c, 29d are formed on the left and right side walls 9, 11, respectively. It coincides with the bottom surfaces of the vertical grooves 9a and 11a. Vertical width of this opening 29 (width in the longitudinal direction of case 5)
Corresponds to the thickness H of the staple 101.

The upper lever 41 is provided with a lever body 43 also having an elongated shape. The main body 43 has a flat central portion 45 at the center in the longitudinal direction, and left and right bent along the longitudinal direction of the central portion 45. Bending portions 47 and 49 are provided. At the rear ends of the bent portions 47 and 49, mounting portions 51 and 53 are provided extending downward and rearward. Small holes 55 and 56 are formed in the mounting portions 51 and 53, respectively, and these holes 55 and 56 are aligned with the small holes 31 and 32 formed near the rear ends of the left and right plates 9 and 11 of the magazine case 5. The upper lever 42 is rotatably attached to the magazine case 5 using an appropriate means such as a shaft (not shown).

Near the front end of the lever body 43, a substantially rectangular push plate 59 as a staple pushing member is fixedly attached. Its vertical width (lever body 43
Of the staple 101 are substantially equal to the thickness T and the width B of the staple 101, respectively. The lower side surface 59a is located on the foremost staple 101 in the magazine case 5,
When the upper lever 41 is rotated counterclockwise, it is pushed and pushed out through the opening 29 described above.

A pair of cutters 61 and 63 are fixed to the left and right side surfaces 59b and 59c of the push plate 59 so as to face each other by a suitable means such as spot welding. That is, cutter 6
Reference numerals 1 and 63 are fixed to the upper lever body 43 and move integrally therewith. The width of the cutters 61 and 63 (upper lever body 43
Of the push plate 59 is substantially equal to the vertical width of the push plate 59. The cutters 61 and 63 hang down below the lower surface 59a of the push plate 59, and have cutting edges 61a and 63a at their lower end portions extending in the same direction as the longitudinal direction of the upper lever 41. Also, near the lower end portions of the cutters 61 and 63, projections 65 and 67 each having a substantially triangular cross section are formed on inner side surfaces facing each other. Its top 65b, 6
The distance between 7b is shorter than the lateral width of the push plate 59. The lower slope 65a of the triangular protrusions 65, 67,
Cutting edges may be formed on both side edges of 67a.

The base 71 has an elongated flat base plate 73. The length and width of the base plate 73 are substantially equal to the length and width of the magazine case 5. Then, at a position near the rear end, the left and right bent portions 75, 7 bent upward at substantially right angles along the left and right side edges.
7 are formed. The portions near the upper ends of the bent portions 75 and 77 and the left and right side walls 9 and 11 of the magazine case 5
The magazine case 5 is fixed to the base 7 by fixing it to a substantially middle part in the vertical direction by appropriate means such as spot welding.

Near the front end of the base plate 73, a document receiver 79 is fixedly arranged. This document receiving tray 79 is in the form of a small hollow box in this embodiment,
The outer surface of the upper side wall 81 receives the document. A substantially rectangular opening 8 is formed at the center of the upper side wall 81.
3 are formed. A staple holder 85 for receiving the tips of the legs 105 and 107 of the staple 101 moving downward through the opening 29 of the magazine case 5 and bending the staple 101 in a desired direction is provided inside the hollow document receiver 79.
Are arranged at positions matching the openings 83. Details of this will be described later.

Reference numeral 87 denotes a swinging lever, which is supported by a shaft attached to supporting plates 92 and 93 provided on the base plate 73 so as to face each other. A portion 88 on the front side of the position where the swing lever 87 is supported is a document receiving tray 79.
Through a hole (not shown) formed in the rear side wall of the document holder 79, and is connected to the staple holder 85. The opposite rear part 89 is inclined obliquely upward with respect to the front part 88, and its tip is bent upward, when the upper lever 41 is pushed down to a position as described later. Contact arms 90 and 91 that come into contact with are provided.

Next, the operation of the stapler 1 will be described with reference to FIGS. These figures show a state where the stapler 1 is viewed from the front side. FIG. 5A corresponds to the state shown in FIG. That is, the staple 101 is sandwiched between the cutters 61 and 63, and is located below the staple pushing plate 59 and above the protrusions 65 and 67 of the cutters 61 and 63. Cutters 61 and 63
Is projected downward through the opening 29 of the bottom wall 7 of the magazine case 5. A gap exists between the tips of the contact arms 90 and 91 provided on the swing lever 87 and the lower surface of the central portion 45 of the upper lever 41 (see FIG. 1).

In the case of this embodiment, the upper lever body 41 is opened clockwise from the state shown in FIG. 1, a large number of staples 101 connected in the magazine case 5 are set, and the upper lever 41 is turned counterclockwise. 1 to return to the state shown in FIG. 1, the staple 101 at the top and pressed against the front side wall 15 of the magazine case 5 is removed from the staples 101 of the cutters 61 and 63.
Is pushed downward through the opening 29.
However, in another embodiment, in a state where the staples 101 are set, the entire continuous staples 101 are kept behind by one staple, for example, as shown in FIG.
As shown by dotted lines, notches 30a and 30b are formed near the left and right ends of the rear edge 29b of the opening 29.
It is also possible to provide a pin protruding upward from 0a, 30b, set the staple 101, return the upper lever 41 to the state of FIG. 1, and then release the protrusion of the pin. When the staple 101 is released, the foremost staple 101 moves forward, and the state shown in FIG. 1 is obtained.

When the upper lever 41 is pressed and rotated counterclockwise in FIG. 1 to move the front side downward, the staple pushing plate 59 and the cutters 61 and 63 move downward together.
The staple push plate 59 pushes down the staple 101 and simultaneously moves the cutters 61 and 63 downward.
Cut into the document 111 placed on the
5 and 67 follow, so that the cutting and bending 113, 11
Holes 117 and 119 are formed while forming 5 downward.
Then, when further lowered, the leg 1 of the staple 101
5 and 107 enter the holes 117 and 119, respectively, and the lower slopes 65a and 67a on the lower sides of the projections 65 and 67 of the cutters 61 and 63 hit the left and right upper end projections 85a and 85b of the staple holder 85 (FIG. 5). (B)).

Here, the shape of the staple holder 85 will be described with reference to FIG.
c is formed, and its receiving surface 85c has a flat central portion 85d.
And slope portions 85e and 85f formed on both sides thereof and obliquely upward as they go outward.
The left and right side surfaces 85g and 85h of the staple receiving tray 85 have vertexes 85j and 85k and have a shape slightly bulging outward.

When the upper lever 41 is further rotated, the protrusions 65 and 67 of the cutters 61 and 63 are moved to the staple receiving table 8.
By moving on both side surfaces 85g, 85h of the cutter 5, the front ends of the cutters 61, 63 are pushed open. At the same time, the tips of both legs 105 and 107 of the staple 101
5c, the staples 101 move downward, and the staples 101 move downward.
The legs 105 and 107 begin to bend in a direction approaching each other while being guided by f and further by the central portion 85d (FIG. 5 (c)). The leg 105 of the staple 101
Has entered into the opening 83 of the document receiving tray 79 by such a length that the bending of the leg is smoothly performed, the slopes 85 e and 85 f of the receiving surface 85 c of the staple receiving tray 85 hit the tip of the leg 105. It has become. Therefore, the position of the receiving surface 85c in the height direction can be changed according to the staple 101 to be used.

Further, the upper lever 41 is pushed down, and the leg 10
When the corresponding portions 5 and 107 pass through the holes 115 and 117, the tips of the contact arms 90 and 91 of the swing lever 87 contact the lower surface of the central portion 45 of the upper lever main body 43. The swinging lever 87 rotates clockwise in FIG. 1, and the staple holder 85 attached to the tip of the front portion 88.
Begins to move up. Since the length of the front portion 88 of the swing lever 87 is considerably longer than the length of the rear portion 89, the amount of movement of the staple receiving base 85 is equal to the contact lever 90,
It becomes considerably larger than the movement amount of the movement 91. As described above, the staple receiving base 85 moves upward while the staple 101 is being pushed down by the staple pushing plate 59, so that the bending of the legs 105 and 107 progresses rapidly (FIG. 5).
(D)).

Finally, the legs 105 and 107 are completely bent, and the document 111 and the staple 101 are strongly sandwiched between the staple pushing plate 59 and the staple receiving base 85 from above and below, and the pressure sensitivity applied to the inner side of the staple 101 is applied. The staple 101 is adhered to the document by the adhesive, and the document 111 is bound (FIG. 6E).

When the upper lever 41 is rotated clockwise,
The staple pushing plate 59 and the cutters 61 and 63 start to move up, and the staple holder 85 moves down (FIG. 6F).
Then, the cutters 61 and 63 are attached to the holes 117 and 1 of the document 111, respectively.
When exiting from position 19 and returning to the original position, the next staple 10
1 is supplied (FIG. 6 (g)).

In the above description, an example using paper staples has been described, but it is apparent that the present invention is not limited to this. In addition, in this specification, about each part of the stapler or each member thereof, before and after,
Words such as right, left, up, and down are used for ease of understanding and do not imply any limitations.

[0028]

As is apparent from the above description, according to the present invention, there is provided a stapler suitable for use in staples made of paper or the like. The cutter provided on the stapler makes a hole in the document first, and the legs of the staple are inserted into the hole and bent, so the staple itself does not require rigidity that can penetrate the document, Soft paper staples can be used. This makes it possible to use paper staples in place of metal staples,
For example, there is no need to remove the staples when the document is no longer needed and the reproduction process is performed, and there is no need to worry about damaging the cutter when cutting, so it can be processed with staples, which is extremely convenient. Staples also have ancillary effects, such as not causing unexpected injuries.

[Brief description of the drawings]

FIG. 1 is a perspective view of a stapler according to a specific embodiment of the present invention.

FIG. 2 is an exploded perspective view of the stapler of FIG. 1;

FIG. 3 is a perspective view of a staple used in the stapler of the present invention.

FIG. 4 is a partially enlarged plan view of the magazine case.

FIG. 5 is an explanatory diagram of the operation of the stapler of the present invention.

FIG. 6 is a diagram illustrating the operation of the stapler according to the present invention.

[Explanation of symbols]

 Reference Signs List 1 stapler 3 staple magazine 5 magazine case 7 bottom wall 9, 11 side wall 15 front wall 17 urging means 29 opening 41 upper lever 43 lever body 59 staple pushing plate 61, 63 cutter 65, 67 projection 71 base 73 base plate 79 document receiving stand 81 Upper wall 83 Opening 85 Staple holder 87 Swing lever 90, 91 Contact arm 101 Staple

Claims (6)

[Claims] 1. A bottom wall, both side walls erected opposite each other along both side edges in the longitudinal direction of the bottom wall, and erected on at least a front end of the bottom wall in a longitudinal direction. A staple magazine configured to store staples, wherein the staples can pass through the staple at a position close to the end wall on the front end side of the bottom wall. A staple magazine formed and further provided with biasing means for biasing the staples toward the front end, and a rear end rotatably mounted at a rear end of the staple magazine at a rear end. A staple pushing member that pushes a staple located above the opening from above and pushes the staple downward from the opening; a base plate disposed below the staple magazine; A stapler that is disposed at a position facing the opening on the staple, receives a leg of the staple pushed out from the opening, and has a staple receiving base that guides the staple to bend in a desired direction. The upper lever extends downward beyond the lower end of the staple pushing member along both side surfaces of the staple pushing member, and a cutter having a cutting blade at the lower end thereof is integrally attached. Features a stapler. 2. The stapler according to claim 1, wherein
The stapler according to claim 1, wherein the staple receiving table includes a cutter guide unit that guides a tip of the cutter and guides the cutter away from each other. 3. The stapler according to claim 2, wherein the cutter includes a protrusion protruding inward near a lower end portion of the inner surface facing each other, and the cutter is lowered to a predetermined position. The stapler, wherein the lower inclined surface of the protrusion abuts on the edge of the upper end of both sides of the staple holder, whereby the cutters are displaced away from each other. 4. The stapler according to claim 1, wherein the staple holder is movable up and down. 5. The stapler according to claim 4, wherein
The stapler according to claim 1, wherein the stapler holder starts moving after the stapler is moved by a predetermined distance by the stapler pushing plate. 6. The stapler according to claim 6, wherein
The base extends in a front-rear direction of the base plate,
A swing lever that is swingably supported on the base plate, wherein the stapler pedestal is attached to a tip of a portion of the swing lever on a front side of the fulcrum, and is provided on a rear side of the fulcrum of the swing lever. The tip of the part is adapted to abut the upper lever when the upper lever is pressed down a predetermined distance.
stapler.