JP2681185B2 - Multiple loading frames for staples in a paper binder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention has an extremely simple structure, and a frame in which a binding needle is loaded therein is unitized in the frame to form a single unit without making the frame longer than the conventional product. The present invention relates to a multiple loading frame for binding staples in a paper binding device, in which a plurality of staples are loaded in series.

[Conventional technology]

Various types of paper binding devices, also known as staplers, which are devices for binding various types of stacked documents have been proposed. This paper binding device incorporates a U-shaped binding needle. The binding needles are made into a unit by gluing a predetermined number (50 in the standard standard) into a unit.

Conventionally, in a paper binding device configured to be loaded with a plurality of unit binding staples, the unit binding staples are connected to each other and loaded into the frame, and when pushed from the rear, the unit binding staples and the portion in contact with the unit binding staples are overlapped. ,, it floats up from the frame and jumps out. In order to prevent this floating, a needle cover is provided between the handle-loaded frame and the handle.

For example, as in "Needle cover device for stapler" of Japanese Utility Model Publication No. Sho 48-19653, a gutter-shaped frame with an open upper surface is used to prevent the above-mentioned lifting of the unit staple from the frame. A staple cover is provided on the upper surface of the staple. Further, in order to make the binding between the staple cover and the frame good, protrusions are provided on both side walls of the staple cover, and protrusions and inclined surface portions are formed on both side walls of the frame so as to fit with the protrusions. An upper device is provided. The projecting piece and the sealing device are fitted to each other to press the binding needle to prevent the unit binding needle from overlapping and floating.

As described above, each of the paper binding devices in which a large number of unit staples are connected and loaded has a needle cover device for preventing the staples from floating.

[Problems to be solved by the invention]

As described above, in the conventional paper binding device in which a large number of unit staples are loaded in a row, in order to prevent the staples in the frame from floating and popping out, the staple cover is
It is provided between the frame and the handle. Since the binding cover is provided, the structure of the paper binding device becomes complicated. When manufacturing the paper binder, there are drawbacks such as man-hours required for attaching and assembling and adjusting the staple cover.

The present invention is to eliminate the above-mentioned problems of the conventional ones.

An object of the present invention is to provide a multiple loading frame for staples in a paper binder, in which the staples in the frame do not pop out without providing a staple cover.

[Means for solving the problem]

The present invention adopts the following means in order to solve the above problems.

Sliding for guiding and guiding the needle pusher while accommodating a base provided with a bending table for the staple on the front upper surface, a plurality of units of staples and a needle pusher for pushing the staples forward, above the base. In a paper binder comprising a frame provided with a guide portion and a handle provided with a pressing blade that pushes the binding needle in the frame from the back inside the frame, and in the frame,
A multiple loading frame for staples in a paper binder, wherein at least four floating preventive portions for the staples are provided to prevent the staples from floating.

[Action]

In the multiple loading frame for binding staples in the paper binding device configured as described above, when the handle is opened to replenish and load the staples, the needle pressing tool in the frame connected to the handle uses the tension coil spring. Then retreat. Therefore, a gap is formed between the needle pressing tool and the floating prevention portion of the binding needle provided in the frame.

When the staples are replenished and loaded sequentially from above the gap and the handle is closed, the staples are pushed by the needle pressing tool and become ready for use. Since the stapling needles loaded in multiple rows are guided at the top by the floating prevention portion, they do not float up.

As a result, similar to the conventional paper binder, the paper can be easily bound by placing the paper on the bending table of the base and pushing down the handle.

First Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings. A first embodiment of the present invention will be described with reference to FIGS. 1 to 6. The handle 1 is in the shape of a rectangular parallelepiped with a hollow inside, and its two faces are open. Usually, it is made of synthetic resin.

A push blade 2 and a handle spring 3 are fixed inside the handle 1 by a known means such as fitting.

The pressing blade 2 and the handle spring 3 are integrally formed by bending a metal plate. A pivot hole is provided at one end of the handle 1 (not shown).

Further, a hooking projection piece 4 for stopping one end of a tension coil spring 11, which will be described later, is formed on an upper wall of the handle 1.
The frame 5 shown in FIG. 2 has a rectangular parallelepiped shape (a gutter shape) made of a metal plate and having one open surface. The frame 5 stores the staples in a multiple manner. Frame 5
Inside the, about 50 binding needles were connected and bonded into a series,
In this embodiment, four unit type binding needles 6 can be loaded.

As shown in FIGS. 2 and 4, the frame 5 has a binding needle 6
A floating prevention portion 8 is provided to prevent the floating of the. The floating preventing portions 8 and 8 are formed by cutting and bending the wall surface of the frame 5, that is, by cutting and raising.
Further, a large number of floating prevention portions 8 are provided on both rear sides of the floating prevention portion 8 so as to project inward as shown in FIG. The floating prevention portion 8 has a hemispherical shape, and this shape is formed by coining a process of making shallow irregularities on the surface of the frame 5.

This processing method is a known technique, and the processing method is not described in detail. Pivot holes 9 are provided on both sides of the rear wall of the frame 5 on both sides on the same axis. In order to prevent the needle pressing tool 7 from coming off the frame 5, engagement protrusions 14 are formed on both rear sides of the needle pressing tool 7. The engaging projections 14 are inserted into sliding grooves 15 provided on both side walls of the frame 5 so that the needle pressing tool 7 can slide back and forth. The needle pressing tool 7 is inserted into the frame 5 and slides on the sliding groove 15.

As shown in FIG. 6, the needle pusher 7 has a binding needle pushing portion 10 formed at the front portion of the main body, and a hooking protrusion 12 for connecting a tension coil spring 11 at the center of the rear portion. One end of the tension coil spring 11 is connected to the latching protrusion 12.
The other end of the tension coil spring 11 is connected to a hooking projection piece 4 formed on the inner side of the rear side of the handle 3 via a folded-back portion 13 (see FIG. 1) provided on the front side of the handle 1.

For this reason, the needle pusher 7 is always pulled forward and the needle pusher 7
A large number of binding needles 6 loaded at the front end of the are pushed from the rear. In order to replenish the staples 6, the handle 1 is opened to move the needle pusher 7 rearward along the sliding groove 15 of the frame 5, and the staples 6 can be loaded in a multiple manner at the front end thereof. To do so. Next, as shown in FIG. 3, the base 16 is provided with a metal bending stand 17 for bending the binding needle 6 on the upper surface of the front part.

Side walls 18
Is formed. A pivot shaft 19, 19 is provided on each of the rear side walls 18, 18 of the side wall 18, 18 so as to extend from the side wall 18, 18. The outer pivot shaft 19 is inserted into a pivot hole (not shown) of the handle 1, and the inner pivot shaft 19 is inserted into a pivot hole 6 at the rear of the frame 5 and fitted. Therefore, the handle 1, the frame 5, and the base 16 can rotate.

In the figure, 20 is a base spring, 21 is a bottom plate, and 22 is a protruding ridge. The handle 1 and the frame 5 are appropriately locked by a hooking protrusion (not shown) provided on the inside of the handle 1 so that the handle spring 3 is opened to a predetermined position by the elastic force of the handle spring 3.

(Operation of First Embodiment) Since the present invention is configured as described above, when the handle 1 is opened to replenish and load the binding needle 6, the handle 1 rotates about the pivot shaft 19 as a fulcrum. Along with this, a tension coil spring 11 is stretched between the latching protrusion 4 in the handle 1 and the latching protrusion 12 above the needle pressing tool 7 via the folded-back portion 13.
The pulling force of the needle pushes the needle pusher 7 back to the position shown by the dotted line in FIG.

For this reason, the staple 6 is inserted between the staple push-up portion 10 at the front end of the needle pusher 7 and the rearmost floating prevention portion 8 provided on the frame 5.
There is a gap that is slightly longer than the length of one continuous line. After replenishing and loading the four binding needles 6 sequentially from the upper part of the gap, when the handle 1 is closed, the contraction force of the tension coil spring 1 advances the needle pressing tool 7. This state becomes the usable state shown in FIG. 1, and as shown in FIGS. 4 and 5, the binding needle 6 has a large number of floating preventing portions 8 in which both shoulder portions 23 are provided inside the frame 5. It does not come into contact with the lower surface of the and rise.

As a result, similar to a conventional paper binder, the music table 17 of the base 16 is
When a sheet is placed on the sheet and the handle 1 is pushed down, the pushing blade 2 is lowered and the binding needle 6 at the front end in the frame 5 is pushed out to bind the sheet. When the pressing of the handle 1 is released, the push blade 2 rises as the handle 1 rises due to the elastic force of the handle spring 3. The binding needle 6 remains in the frame 5 because it is in contact with the lower surface of the anti-floating portion 8, and the binding needle 6 is moved forward by the forward movement of the needle pressing tool 7 due to the contracting force of the tension coil spring 11, so that the binding needle 6 can be used again. It becomes the state of.

Second Embodiment Next, a second embodiment shown in FIGS. 7 and 8 will be described. The second embodiment is constructed in a slightly smaller size than that of the first embodiment described above, and the binding needles 6 are loaded in three units. As shown in FIG. 8, the frame 5
Bend both sides of the front part of the inside of the
8 is provided in parallel on the sliding groove 15. The corner parts other than the frame 5 are almost the same as those of the first embodiment.

Therefore, the method of loading and using the binding needle 6 is the same as that of the first embodiment, and the description thereof is omitted.

[Third Embodiment] Next, a third embodiment shown in FIGS. 9 and 10 will be described. This third embodiment has the same size as a commercially available 1-fold (50-piece) paper binder, but
It is possible to load two (100) staples. The upper center of the push blade 2 mounted in the handle 1 is
It is cut and raised to the outside to form the hooking protrusion 4.

Next, as shown in FIG. 10, the frame 5 is formed with four inward circular round floating prevention portions 8 on both sides of the front portion at intervals shorter than the length of one stitch of staples, and , The needle presser 7 is fitted inside so that it can slide forward and backward. As shown in FIG. 9, the needle pusher 7 has a binding needle pushing portion 10 formed at the front end of a synthetic resin main body. Behind the binding needle pushing portion 10, a hooking protrusion 12 for hooking the tension coil spring 11 is provided,
Further, a folded portion 13 is formed on the rear portion.

Engagement projections (not shown) are provided on both sides of the projections, and the projections are fitted into the sliding grooves 15 provided on both sides of the frame 5 so that the needle pressing tool 7 can slide back and forth. Then, in the needle pressing tool 7, one end of the tension coil spring 11 is fixed to the latching protrusion 12, the intermediate portion is wound around the folding portion 13, and the other end is provided on the pressing blade 2.
Connected to. Therefore, the needle pusher 7 is always pulled forward so that the binding needle 6 loaded in the front portion of the needle pusher 7 is pushed forward. In addition, in this embodiment, the bottom plate 21 is not provided.

Since the third embodiment is constructed as described above,
When the handle 1 is opened to replenish and load the binding needle 6, the tension coil spring 11 and the needle pressing tool 7 move to the positions indicated by the dotted lines in FIG. 9, so that the binding needle 6 can be easily loaded. Since the method of use is the same as that described in the first embodiment, the description thereof will be omitted.

[Fourth Embodiment] A fourth embodiment of the present invention will be described with reference to FIG. In the fourth embodiment as well, as in the third embodiment, the binding needle 6 is replaced by two.
It is designed to be loaded in series (100 pieces), and on the both sides of the front part of the frame 5, there are provided a floating prevention part 8 having a rib-shaped cross section by a coining process, and a rounded floating prevention part 8 at the rear thereof. The moving groove 15 is formed by a slit, that is, a notch.

The configuration and usage other than the frame 5 is the third.
The description is omitted because it is similar to that of the embodiment.

[Fifth Embodiment] Next, a fifth embodiment shown in FIG. 12 will be described. The fifth embodiment is substantially the same as the fourth embodiment described above, but instead of the rear round-shaped floating prevention portion 8 · 8, a through hole which is previously drilled in the frame 5. In addition, since the fastening studs are fixed and the method of use, the action and the like are the same as those described above, the description thereof will be omitted.

[Other Examples]

The preferred embodiment of the floating prevention device for multiple loading binding staples in the paper binding device according to the present invention has been described above, but the present invention is not limited to the above embodiment. For example, in order to move the needle pressing tool 7 forward, the tension coil spring 11 is used in the above-mentioned embodiment, but it may be a compression coil spring which has been conventionally used.

Further, although the handle 1, the frame 5 and the base 16 are pivotally attached at the same position by the rear pivot shaft, the pivot position and the attaching method can be changed as in other known techniques. .

Further, regarding the shape of the floating prevention portion 8 for preventing the binding needle 6 from rising, in the present embodiment, the hemispherical shape is formed by coining and the fixing studs are fixed, but the cylindrical shape, A prismatic shape may also be used. Further, these shapes may be stopped by means such as riveting, welding, and welding. In addition, it goes without saying that various design changes and the like can be made without departing from the spirit of the present invention such as changes in configuration and materials.

〔The invention's effect〕

As described above in detail, the present invention has many excellent effects and advantages as described below.

a. Conventionally, in a paper binding device in which a large number of binding needles are loaded, a needle cover is provided between the frame and the handle in order to prevent the binding needles from floating above the frame and jumping out. The needle cover is unnecessary in the present invention.

b. In the conventional multi-loading paper binding device with staples, the needle cover may come off the frame due to an impact or the like during use or movement, and many staples may pop out. The binding needle does not pop out carelessly.

c. Since the structure is simple, assembly and adjustment are easy, which reduces the cost and reduces the number of defective products.

d. It is efficient because a larger number of staples can be loaded than the conventional ones.

e, the frame for loading the staples inside, and the base as short as the handle have advantages that the material used for the product is small and the product can be provided at a low cost.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view of a first embodiment of the present invention, and FIG.
The drawing is an oblique projection view of the same frame, FIG. 3 is an oblique projection view of the same base, FIG. 4 is a cross-sectional view taken along line AA in FIG. 2, and FIG. 5 is a cross sectional view taken along line BB in FIG. 6 and 6 are oblique projection views of the needle pressing device, FIG. 7 is a vertical sectional view of the second embodiment, FIG. 8 is a perspective view of the same frame, and FIG. 9 is a vertical sectional view of the third embodiment. FIG. 10 is an oblique projection view of the same frame, FIG. 11 is an oblique projection view of a frame in the fourth embodiment, and FIG. 12 is an oblique projection view of a frame in the fifth embodiment. 1 ... Handle, 2 ... Push blade, 3 ... Handle spring, 4
…… Latching projection piece, 5 …… Frame, 6 …… Binding needle, 7 …… Needle pusher, 8 …… Floating prevention part, 9 …… Pivoting hole, 10 …… Binding needle pushing part, 11 ・ ・ ・… Tension coil spring, 12… Latching stem, 13…
… Fold-back part, 14… Engagement projection, 15… Sliding groove, 16… Base, 17… Bend, 19… Pivot axis, 22… Projection, 23…
… Shoulder,

Claims (1)

(57) [Claims] 1. A base provided with a bending table for binding staples on the front upper surface,
A plurality of units of stapling needles and a needle pusher for pushing the stapling needles forward are built in the frame, and a frame provided with a slide guide portion for slidingly guiding the needle pusher, and a binding inside the frame are provided inside. A paper binding device comprising a handle provided with a pressing blade that pushes out a needle from the back surface and presses against the bending table, except for a portion having a length substantially corresponding to the length of the needle pressing tool at the tip of the frame, The slide guide portion is formed, and the floating side of the binding needle is provided parallel to the slide guide portion on the side wall of the frame tip portion without the slide guide portion. A stapling needle floating prevention part consisting of a local inward projection is provided along the motion guide part in parallel therewith, and the inward floating prevention part located closest to the base end of the frame is the last continuous part to be inserted into the frame. It is characterized in that it is provided at a position where it engages with the portion near the tip of the binding needle. Tarenso Hama frame Tsuzurihari in the paper spelling device.