JPH10193282A - Stapler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To place a leg part of a binding needle along a reverse surface of bound paper, so as to flatly perform bending, by preventing document or the like from being thickened, in the case of binding paper by a stapler. SOLUTION: This stapler is constituted such that a base 1, frame 2 and a handle 3, in a rear part, are turnably pivotally mounted by a pivotal shaft 4. Here, in the rearward of the handle 3, a press unit 29 provided with a front rising tilt edge 30 is formed, also in an upper surface of the base 1, a hitch unit 24 and a slider 11 formed with an operating part 27 in a rear part are mounted. Further, in this constitution, in the upward of the slider 11, a paper receiving base 20 formed with a through hole 31 and a lack part 45 in a front part is pivotally mounted in the base 1 in a rear part, by pressing the handle 3, in the halfway of paper binding operation, the tilt edge 30 presses the operating part 27 of the slider 11, it is advanced, so as to drop down the paper receiving base 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stapler in which legs of a spelling needle are folded flat along a back surface of a sheet to be sewn.

[0002]

2. Description of the Related Art In order to prevent a document or the like bound by a stapler from being thickened, a structure in which legs of a staple are bent horizontally is used, for example, as follows.
No. 18296, (2) No. 7-37817, (3)
Although the ideas such as Japanese Utility Model No. 8-145 have become publicly known,
These staplers have the following disadvantages.

The device of the above (1) has a drawback that there is a danger that a fingertip is erroneously pinched when the handle is opened by inserting a spelling needle because the actuator 24 projects from the handle 20. Further, since the actuators are provided immediately below both sides of the handle, the width of the base 10 becomes larger than the width of the handle 20, and there is a drawback in that the design is unsightly in terms of design.

The method (2) has a disadvantage that the number of components is extremely large and the structure is complicated, so that manufacturing and assembly are troublesome and expensive.

[0005] Next, the above-mentioned (3) has a small number of parts and is inexpensive. However, in the present invention, a receiver provided with a curved base 21 formed at the front of the base 1 is provided. The base 5 and the base 1 were provided so as to slide back and forth.
Because there is a gap between the paper receiving table 11 and the needle opening 12,
When the stapler is blank hit, there is a problem that a bent spelling needle enters this gap, and the paper receiving table 11 cannot slide back and forth, resulting in a failure of stapling.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks and problems, and aims to reduce the number of parts relatively, simplify manufacturing and assembling, and reduce costs. It is another object of the present invention to provide a stapler at a low cost, which ensures stable quality and can reliably fold a spelling needle flat.

[0007]

In order to achieve the above-mentioned object, a stapler according to the present invention comprises a base having a folding table for spelling needles provided on a front upper surface thereof, and a needle presser provided therein above the base. A stapler in which a frame and a handle having a push blade attached to a front end thereof are pivotally connected at a rear portion by a pivot so as to be rotatable by a pivot, and a pressing body having a forward rising sloped edge is formed inside a rear side of the handle.

[0008] Further, on the upper surface of the base, a hook is provided at a front end, and a slider having an operating portion formed at a rear portion is interposed slidably back and forth by a spring so as to be constantly biased rearward. On the upper surface, a paper tray having a through hole and a hook portion formed at the front is pivotally attached to the base at the rear.

[0009] When the handle is pressed, the upwardly sloping edge provided on the pressing body in the handle presses the operating portion of the slider, and moves the slider forward, so that the slider locking body and The hook of the paper receiving tray is released so that the front part of the paper receiving tray is dropped, so that the legs of the spelling needle are connected to the back of the paper as described later. Can be folded flat along the line.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 of the present invention will be described below with reference to the drawings. In the first embodiment shown in FIGS. 1 to 7, 1 is a base, 2 is a frame, and 3 is a handle. , At the rear proximal ends thereof, are pivotally connected by pivots 4.

The base 1 comprises a front wall 5 and left and right side walls 6, 6. A catching portion 7 is formed inside the front wall 5 and a folding stand 9 for a spelling needle 8 is provided on the upper surface behind the hooking portion. The table 10 is formed. Protrusions 13, 13 are provided inside left and right side walls 6, 6 behind the receiving stand 10 to engage with protrusions 12 provided on both sides of the slider 11, which will be described later, so that the slider 11 can slide forward and backward. Mounting.

A spring receiver 15 for receiving the front end of a coil spring 14 attached to the slider 11 is formed on the upper surface of the central portion of the bottom plate of the base 1, and a mounting portion 17 for a coil spring 16 is formed on the upper surface of the rear bottom plate. The frame 2 is expanded upward by elasticity.

Further, the rear side of the base 1 is extended upward.
Ridges 18 provided on both sides of the frame 2 on the upper part on both sides inside
And an engagement portion 19 for restricting the rotation of the frame 2 to a fixed position, and a convex shaft 22 that fits into a shaft hole 21 at a rear portion of a paper receiving tray 20 described below is provided on the lower inner side on both sides thereof. Further, a pivot 4 for fitting into a pivot hole 23 provided on both sides of the rear of the frame 2 is provided inside the rear both sides of the base 1 and a pivot 4 to be fitted into the pivot hole 23 of the handle 3 on the outside.

Next, the slider 11 mounted in the base 1 so as to be slidable back and forth has a hook 24 protruding from the front, a notch 25 formed behind the hook 24, and a rear portion. The coil spring 14 is mounted by mounting the above-mentioned mounting shaft 26 of the coil spring 14, and the front end of the coil spring 14 is brought into contact with the spring receiver 15 of the base 1. To be deviated.

Further, as shown in an exploded perspective view of FIG. 1, a bifurcated operating portion 27 projects upward from the rear end of the slider 11, and an abutment portion 28 at an upper rear end thereof is connected to the handle 3.
When the handle 3 is pressed down by contacting with the inclined edge 30 of the pressing body 29 protruding inside the paper, and the paper binding operation is being performed, the pressing body 29 is lowered by the pressing down of the handle 3, and with this, The inclined edge 30 is the contact portion 28 of the operating portion 27
, The slider 11 moves forward against the elasticity of the coil spring 14.

Next, the paper receiving table 20 disposed above the slider 11 has a through hole 31 formed at the front portion thereof, into which the receiving table 10 provided on the base 1 fits. The notch is cut out to form a locking projection 32 and a locking projection 33, and the locking projection 33 is locked to the locking section 7 in front of the base 1 to raise the paper receiving table 20 by a certain amount or more. Deter.

A mounting shaft 34 is provided on the lower surface of the paper receiving table 20.
Is provided, and a coil spring 35 is attached.
The lower end of 5 is made to pass through the slider 11 and abut on the bottom plate of the base 1 so that the paper receiving table 20 always floats.

Next, as shown in the exploded perspective view of FIG. 1, narrow portions 36 are formed on both sides behind the paper receiving table 20 so that the operating portions 27 of the slider 11 are fitted. Further, the rear portion is formed in a forked shape, and the shaft holes 21 are protrudingly contacted on both sides thereof as described above, and are pivotally mounted on the convex shaft 22 inside the rear portion of the base 1, and the paper receiving table 20 is rotatably mounted. I do.

Next, the frame 2 is formed in a gutter shape having an open upper surface, into which the spelling needle 8 and the needle pressing tool 37 are fitted, and a hooking piece 38 provided at the front part of the needle pressing tool 37 has One end of the tension coil spring 39 is hooked, the intermediate portion is hooked on the folded portion 40 of the needle pushing tool 37 and folded, and the other end is the handle 3.
Of the handle spring 41 attached to the inside of the handle, and the front spelling needle 8 is constantly pushed forward.

Next, a handle spring 41 is fixed to the inside of the front part of the handle 3 by a mounting projection 42, and a push blade 43 is attached to the front part.
In addition, the above-mentioned latching piece 38 is formed at the base of the push blade 43, and a cut-and-raised protruding piece 41a that latches on the handle 3 is provided at the center, and a spring portion 44 is formed at the rear. The frame 2 and the handle 3 are expanded by the elastic force of the spring portion 44.

As described above, the handle 3 is provided with the handle spring 41 in the front part, the pressing body 29 having the inclined edge 30 in the rear part, and the pivot holes 2 on both sides in the rear end.
3, the pivot hole 23 is fitted to the pivot 4 at the rear end of the base 1, and the pivot hole 23 is pivotally attached to the base 1 so as to be openable at 180 degrees.

Since the present invention is constructed as described above, when not in use, as shown in FIG.
The base 1 is expanded by the coil spring 16, and the paper receiving tray 20 is floated upward by the coil spring 35,
Further, the spelling needle 8 is pressed forward by the advance of the needle pressing tool 37 due to the contraction force of the tension coil spring 39,
Further, in the paper receiving table 20, the engaging portion 45 on the front lower surface is engaged with the engaging body 24 of the slider 11, so that downward rotation is suppressed.
It is in the non-use state shown in FIG.

In order to perform the paper binding operation from the non-use state shown in FIG. 2, a sheet 46 such as a document is placed on the front portion of the paper receiving tray 20 and the handle 3 is pressed down as shown in FIG. ,
First, the leading end of the frame 2 rotates downward similarly to the conventional stapler, and the state shown in FIG. 3 is obtained.

When the handle 3 is further pushed down, one of the spelling needles 8 in the frame 3 is moved from the needle outlet 47 to the push blade 4.
3, the legs of the spelling needles 8 are pushed through the paper 46 and into the through holes 31 of the paper receiving tray 20, resulting in the state of FIG.

In this process, the inclined edge 30 of the pressing body 29 in the handle 1 approaches the contact portion 28 above the operating portion 27 of the slider 11 and immediately before the pushing of the spelling needle 8 is completed, the inclined edge 30 However, the contact portion 28 is
Slider 1 to push forward against the resilience of
One moves forward.

As a result, the engaging portion 45 on the lower surface of the front portion of the paper receiving tray 20, which has been hooked on the upper surface of the hook 24 at the front end of the slider 11, falls into the notch 25 of the slider 11, and
The front portion of the paper tray 20 is supported by the rear shaft hole 21 as a fulcrum.
It pivots down.

For this reason, the front portions of the frame 2 and the handle 3 rotate further downward, so that the lower end of the spelling needle 8 penetrating the paper 46 is provided on the upper surface of the receiving base 10 at the front of the base 1. 4 and 6, the leg of the spelling needle 8 is folded flat along the lower surface of the sheet 45, and the state shown in FIGS.

When the pressure on the handle 3 is released, the state returns to the state shown in FIG. 2 and the next sheet binding is enabled.

[0030]

Second Embodiment Next, a second embodiment will be described. The second embodiment has the same structure as that of the first embodiment, except that the base 1, the frame 2, the paper tray 20, the needle pressing tool 37, and the handle spring 41 have the same structure. And as shown in FIG.

In the first embodiment, the handle 3 is provided with the pressing body 29 having the inclined edge 30 at the rear inside.
In the second embodiment, as shown in FIG.
An operating body 48 is provided, and a front contact portion 50 is formed on the lower front side.

In addition, as shown in FIG. 8, the slider 11 is replaced with the rear operating portion 27 shown in the first embodiment, and in the second embodiment, a downwardly inclined surface portion 49 is provided at the rear of the slider 11. Things.

In the second embodiment, since the structure is as described above, the operating body 48 is lowered by pressing and lowering the handle 3, whereby the front contact portion 5 of the operating body 48 is lowered.
0 comes into contact with the inclined surface portion 49 of the slider 11, and the slider 11 moves forward with the lowering of the handle 3, whereby the spelling needle 8 is bound flat as in the first embodiment. Is the same as in the first embodiment, and a description thereof will be omitted.

[0034]

Third Embodiment Next, a third embodiment will be described. In the third embodiment, the components shown in FIGS.
0 and a part of the handle 3, the paper tray 20, and the slider 11 shown in FIG.

As shown in FIG. 9, the handle 3 is used in the second embodiment.
Actuators 48, 48 are provided in the rear inside similarly to the above, and pressing portions 51, 51 are formed at the lower end.

Next, as shown in FIG.
The narrow portion 3 also provided in the paper receiving table 20 of the first embodiment.
6 is provided in the third embodiment in a longer shape.

As shown in FIG. 11, the slider 11 has an operating leg 52 erected upwardly via a hinge 53 at a rear end of the slider 11, and an intermediate top 54.
Is bent downward through the hinge portion 55 to form a mountain shape.

Then, the slider 11 is mounted on the base 1 in the same manner as in the first embodiment, and a paper receiving table 20 is mounted thereon, and the operating legs 52 of the slider 11 are attached to the paper receiving table 20. It is inserted on both sides of the narrow portion 36, and the rear end 56 of the operating leg 52 is brought into contact with a receiving portion 57 at the rear of the paper receiving table 20.

To perform the paper binding operation by the stapler according to the third embodiment configured as described above, similarly to the first embodiment, when the handle 1 is pressed down, the operating body 48 is lowered, and the pressing portion 51 at the lower end is pressed. Presses the top 54 of the chevron-shaped operating leg 52 behind the slider 11.

By this pressing, the top 54 descends, and both legs 52, 52 of the chevron-shaped operating leg 52 expand, but the rear end 56 of the operating leg 52 is attached to the receiving portion 57 behind the paper receiving table 20. The slider 11 cannot move because it is in contact.
Moves forward.

Accordingly, the hook 24 of the slider 11
Then, the engagement of the engagement portion 45 of the paper receiving table 20 is released, and the paper binding is performed. The details of the operation are the same as those of the first embodiment, and thus the description thereof is omitted.

[0042]

Other Embodiments Although the preferred embodiment of the stapler according to the present invention has been described above, the present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the pressing body 29 provided with the front ascending edge 30 formed inside the rear part of the handle spring 3 is also integrally formed on both sides inside the handle. , And handle 3
It is the same even if it is installed inside.

In the stapler of the present invention, the handle 3 and the frame 2 are opened 180 degrees from the base 1 so that a poster or the like can be used instead of a thumbtack to perform a cutter strike.

[0044]

Since the present invention is configured as described above, it has the following effects.

All of the conventionally known devices have a structure in which an intermediate part is provided between the slider and the handle as means for dropping the paper receiving tray in order to bend the needle flat during the spelling operation. Although complicated, the device of the present application does not require any components between the handle and the slider, and therefore has a simple configuration and a small number of components, so that it can be provided at low cost.

The stapler of the present application has a structure in which the slider 11 is directly advanced by the pressing body provided in the handle 3, so that the handle operation is smooth, and the structure is simple, so that there is no failure.

There are advantages that the handle 3 and the frame 2 can be fully opened and that the cutter can be driven.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an entire disassembled state of a stapler according to a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of the same as above in an unused state.

FIG. 3 is a longitudinal sectional view of the same during use.

FIG. 4 is a vertical cross-sectional view when the paper binding is completed.

FIG. 5 is a cross-sectional view of a main part of the same during use.

FIG. 6 is a cross-sectional view of a main part at the end of the paper spelling.

FIG. 7 is a perspective view of a handle according to the second embodiment.

FIG. 8 is a perspective view of the slider according to the third embodiment.

FIG. 9 is a perspective view of a handle according to the third embodiment.

FIG. 10 is a perspective view of the same paper receiving tray.

FIG. 11 is a perspective view of the slider according to the third embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 base 2 frame 3 handle 4 pivot 5 front wall 6 left and right side wall 8 spelling needle 9 bending stand 10 receiving stand 11 slider 14, 16, 35 coil spring 17 mounting part 20 paper receiving stand 24 hook body 25 cutout part 27 operating part 28 Contact part 29 Pressing body 30 Inclined edge 31 Through hole 34 Mounting shaft 36 Narrow part 37 Needle pressing tool 39 Tension coil spring 41 Handle spring 43 Push blade 45 Engagement part 46 Paper 48 Working body 49 Slope face 52 Working leg 53, 55 Hinge part

Claims (7)

[Claims] 1. A base having a folding table for a staple on the front upper surface thereof, and a frame having a needle pressing tool provided therein above the base.
A stapler in which a handle having a push blade attached to a front end thereof is pivotally connected to a rear portion by a pivot so as to be rotatable, a pressing body having a forwardly rising inclined edge is formed on the rear inner side of the handle, and the base is further provided with: On the upper surface, a latching body is provided at the front end, and a slider formed with an operating portion at the rear is interposed slidably back and forth so as to always be deviated backward by a spring, and penetrates the upper surface of the slider through the front. A paper tray having a hole and a hook portion pivotally attached to the base at the rear,
By pressing the handle, a forward-inclined sloping edge provided on a pressing body in the handle presses a contact portion of an operating portion of the slider to advance the slider, and a stopper for the slider, A stapler configured to release engagement with a hook portion of a paper tray and drop a front portion of the paper tray. 2. A stapler comprising a push blade attached to a front portion of a handle, and a pressing body having a front rising portion and a rear rising portion formed on both sides of a rear portion. handle. 3. A slider is interposed on the upper surface of the base so as to be slidable back and forth, a hook is provided at a front end of the slider, an operating portion is formed at a rear portion, and an upper rear portion of the operating portion is abutted. A stapler slider with a section. 4. A stapler in which a base, a frame, and a handle are rotatably pivoted at a rear portion by a pivot, and an operating body having a front abutment formed on a lower front side is provided in a rear portion of the handle. On the upper surface of the base, a latching body is provided at the front end, and a slider having a rearwardly inclined surface formed at the rear is interposed slidably back and forth so as to be constantly biased rearward by a spring. A stapler having a paper receiving stand having a through hole and a hooking portion formed at a front portion thereof, and being pivotally connected to the base at a rear portion. 5. A stapler having a slider interposed between a base and a paper tray so as to be slidable back and forth, a hook at a front end of the slider, and a rearwardly inclined surface at the rear. Slider. 6. A stapler in which a base, a frame, and a handle are rotatably pivoted at a rear portion by a pivot, and an operating body having a pressing portion formed at a lower end is provided in a rear portion of the handle. On the upper surface, a hook is provided at the front end, the operating leg is erected upward via a hinge at the rear, and the slider formed by bending the middle part to form a mountain shape is forward and backward so that it is always biased backward by a spring. A stapler which is slidably mounted and has a paper receiving stand having a through hole and a hooking portion formed on a front portion thereof on the upper surface of the slider and pivotally attached to the base at a rear portion. 7. A slider is interposed between the base and the paper receiving tray so as to be slidable back and forth, a hook is provided at a front end of the slider, and an operation leg is raised upward via a hinge at the rear. A stapler slider that stands upright, the middle part is bent through the hinge part, and the working legs are formed in a mountain shape.