CN1633349A

CN1633349A - Stapler

Info

Publication number: CN1633349A
Application number: CNA038040816A
Authority: CN
Inventors: 青木亮; 前森淳
Original assignee: MEKERS CORP
Current assignee: MEKERS CORP; Max Co Ltd
Priority date: 2002-03-29
Filing date: 2003-03-27
Publication date: 2005-06-29
Anticipated expiration: 2023-03-27
Also published as: CN100344413C; JP2003291077A; KR20040094714A; TW200306246A; WO2003082528A1; JP4062948B2; TWI272164B; KR100822500B1; AU2003236161A1

Abstract

A stapler, wherein a staple cover is connected to a pusher through a pusher band having locking parts formed at both ends thereof, a band guide part (27) downwardly bent forward is provided at the front part of the pusher (10), and when a staple (S) is loaded in a staple magazine (5) and the staple cover is closed, the pusher band (11) pulling the pusher (10) moves forward and the tip thereof comes into contact with the band guide part (27) to lead the pusher band to the lower surface of the staple (S), whereby since the pusher band is not extruded to the outside of the staple magazine, the pusher band can be prevented from being pinched between the staple magazine and the staple cover and damaged.

Description

Stapler

Technical field

The present invention relates to a kind of stapler, particularly relate to a kind of stapler of having improved the belt linkage of pulling back.

Background technology

Known such hand stapler when drawing back the staple to be opened/closed lid that combines with the staple cartridge hinge, retreats the nail pushing device in the staple cartridge by connecting rod automatically, seeks to need not the manual operation of nail pushing device and the convenience of loading staple.

In this stapler, what use as connecting rod is not metallic plate but the soft resinous band of pulling back.The pull back two ends of band are formed with the anti-delinking part of wide cut, and its front end runs through and is formed on the slit on the nail pushing device and can be fastened on the nail pushing device with being free to slide, and its rear end is buckled in staple and covers.Drawing back staple when lid, then covering rearward the drawing band of pulling back by staple, the anti-delinking part of the front end that making pulls back is with is drawn nail pushing device and is made it to retreat.When after loading staple, closing the staple lid, make the rear end elasticity butt of nail pushing device and staple, pull back to be with and forwards released, thereby leading section reaches the front portion in the staple cartridge above staple by the slit of nail pushing device by spring.

In the stapler that the resinous band of pulling back is used as connecting rod, such situation is arranged, that is, the band of releasing to the place ahead of nail pushing device when closing the staple lid of pulling back can not directly enter, and leading section is one side-prominent to staple cartridge.At this moment, the leading section of the band of pulling back is clamped and is damaged by staple cartridge and staple lid sometimes, if the anti-delinking part of front end fractures, then can not the drawing nail pushing device, thus lose function as connecting rod.

Summary of the invention

Therefore, just produced the technical matters that should solve, the objective of the invention is to address the above problem for the damage of the band that prevents to pull back.

The present invention makes in order to reach above-mentioned purpose, this stapler is an installing connecting rods mechanism between staple lid to be opened/closed on cover staple cartridge and the nail pushing device in the staple cartridge, and the stapler that constitutes of the mode that nail pushing device is drawn back with the opening operation interlock with the staple lid; Described linkage forms the anti-delinking part and can be fastened on the nail pushing device with being free to slide at the leading section of the band of pulling back, and the rearward end of the band of will pulling back is buckled in staple and covers; Above-mentioned stapler is characterized by: with front portion band guide portion towards the front lower place is set at nail pushing device, the front end position of the band of when closing the staple lid, pulling back below the band guide portion, enter into staple below a side and constituting.

Description of drawings

Fig. 1 is the side sectional view of the stapler of expression embodiments of the present invention.

Fig. 2 (a) is the vertical view of pulling back and being with, and Fig. 2 (b) is the side view of pulling back and being with.

Fig. 3 (a) is to 3 (d) expression staple lid, and Fig. 3 (a) is a vertical view, and Fig. 3 (b) is a front view, and Fig. 3 (c) is the side view of partly cut-away, and Fig. 3 (d) is a upward view.

Fig. 4 (a)～4 (f) represents nail pushing device, and wherein, Fig. 4 (a) is a side sectional view, and Fig. 4 (b) is a vertical view, and Fig. 4 (c) is a front view, and Fig. 4 (d) is a side view, and Fig. 4 (e) is a rearview, and Fig. 4 (f) is a upward view.

Fig. 5 is the vertical view of nail pushing device that the state of the band of pulling back has been installed in expression.

Fig. 6 is the pull back side sectional view of nail pushing device of forward travel state of band of expression.

Among the figure: 1-stapler, 2-handle, 3-drive arm, 4-staple lid, 5-staple cartridge (staple magazine), 6-clench device arm (clench arm), 10-nail pushing device (pusher), the 11-band of pulling back (pusher band), 12-slotted hole, 13-clench device, 14-driver, 18,19,20-anti-delinking part, 27-band guide portion, S-staple.

The specific embodiment

Below, with reference to accompanying drawing embodiments of the present invention are elaborated.Fig. 1 represents stapler 1, from last successively with handle 2, drive arm 3, staple lid 4, staple cartridge 5 with to clench device arm 6 hinged by hollow pins 7.In staple cartridge 5, be provided with spring leading axle 8, by being enclosed within compression disc spring 9 on the spring leading axle 8 with nail pushing device 10 application of force forwards along fore-and-aft direction.Connect be inserted with softness such as polyethylene resinous in the nail pushing device 10 and pull back with 11 leading section, pulling back to connect to insert with 11 rearward end is formed at staple and covers in the slotted hole 12 on 4.

Draw back handle 2 upward from the original state of Fig. 1, thereby then drive arm 3 and staple the lid 4 also with handle 2 draw back simultaneously staple cartridge 5 above be opened, at this moment by staple lid 4 rearward drawing pull back and be with 11, nail pushing device 10 is retreated in staple cartridge 5, thereby become the state that in staple cartridge 5, to load staple.After loading the staple row that drawing is a door shape, closing handle 2, drive arm 3 and staple covered 4 o'clock, removed the nail pushing device 10 of pulling back with 11 drawing, elasticity is connected to the rear end face of staple and forwards pushes away this staple, and staple is pushed to the front inner wall face of staple cartridge 5.

After loading staple, hold and close when clenching device arm 6 and handle 2 and closing, then drive arm 3, staple lid 4 and staple cartridge 5 descend, being situated between by bookbinding paper (not shown) below the front portion of staple cartridge 5 and clenching device 13 connects, and drive arm 3 declines make the driving machine 14 of the front end that is located at drive arm 3 that the foremost staples in the staple cartridge 5 are penetrated downwards.

Be provided with the flat device structure that clenches on the device arm 6 clenching, top as point of force application with staple cartridge 5 is fastened on connecting rod 15 on the drive arm 3 by an end, the flat stop 16 that clenches the device structure is retreated and forms.When drive arm 3 descends the ejaculation staple, rotate by drive arm 3 close connecting rod 15 that makes in staple cartridge 5, thereby the lower end of connecting rod 15 abuts on the stop 16 stop 16 is rearward slided.Break away from from the guide portion 17 of clenching of being pushed by stop 16 by staple cartridge 5, and depress remove support clench guide portion 17, the leading section of staple is flat curved with clenching device 13 extrusions.

Then, the linkage to nail pushing device describes.Fig. 2 (a) and Fig. 2 (b) expression are pulled back and are with 11, are formed with the

anti-delinking part

18,19,20 of wide cut in the place ahead slightly of rear and front end and rear end.Fig. 3 (a)～Fig. 3 (d) expression staple lid 4, before and after on the end face in the place ahead slightly of the bearing 21 of rear end, be formed with long slotted hole 12, the rear portion of pulling back with 11 is inserted in the slotted hole 12, between the anti-delinking part, two places 19,20 (the 2nd anti-delinking part) at rear portion, insert the lateral edges of slotted hole 12, thereby buckle is pulled back and is with 11.

Fig. 4 (a)～Fig. 4 (f) expression is inserted into the nail pushing device 10 in the staple cartridge 5, is the injection molding resin component of polyacetals etc., and the two sides, front and back of this nail pushing device 10 is open for as shown in Figure 1 spring leading axle 8 front and back are connected.Compression disc spring 9 is subjected to portion's 22 elasticity butts with the spring of being located at the front portion of nail pushing device 10 and to nail pushing device 10 application of force forwards, the front end face 23 of the left and right sides of nail pushing device 10 is docked on the staple.On the internal face of the left and right sides of nail pushing device 10, be provided with outstanding to the inside band support portion 24, insert the leading section of pulling back in the gap between band support portion 24 and top 25 with 11.About the posterior vertical of band support portion 24 link to each other with top 25 with erecting, be inserted in the gap of being with between support portion 24 and the top 25 from the rear with 11 if will pull back, then elastomeric material pull back be with 11 crooked and pass through the gap, as shown in Figure 5, pulling back is stuck on the vertical wall face 26 of rear end of band support portion 24 with 11 anti-delinking part 18 (the 1st anti-delinking part), and link pull back be with 11 with nail pushing device 10.Be provided with the band guide portion 27 that descends towards the front lower place in the front portion of nail pushing device 10, the lower end of band guide portion 27 is lower than the height of staple.Forwards releasing to pull back under with the state of having fixed nail pushing device 10 and be with at 11 o'clock, advances in following, the deflection below that is against band guide portion 27 with 11 leading section of pulling back.

After opening staple lid 4 and being filled into staple in the staple cartridge 5, if handle is returned to original state, then forwards release and rearward end is buckled in pulling back on the staple lid 4 is with 11, and as shown in Figure 6, the following side following, that enter staple S that arrives to band guide portion 27 with 11 leading section of pulling back is advanced.In the space that surrounds by staple cartridge 5, spring leading axle 8 and staple S up and down, advance with 11 because pull back, so it is different with the existing stapler that the band of pulling back advances above staple, staple 11 can not fly out to the side of staple cartridge 4, is clipped by staple cartridge 5 and staple lid 4 and pulls back band and can prevent damage.

In addition, the present invention is not limited in above-mentioned embodiment, in technical scope of the present invention numerous variations can be arranged, and these changes are contained in the present invention certainly.

The application is based on the Japanese patent application (the special 2002-096798 of hope) of on March 29th, 2002 application and invention, here can be with reference to its content.

As mentioned above, stapler of the present invention, when closing the staple lid, the leading section of the band of pulling back Enter the following side of staple and consist of, therefore, clip the band of pulling back by staple cartridge and staple lid And can not damage, can play preventing the pull back deterioration of band and the effect of damage.

Claims

1. stapler is characterized in that:

But by staple cartridge, cover the top switch of above-mentioned staple cartridge the staple lid, be configured in the above-mentioned staple cartridge and have the nail pushing device of band guide portion and above-mentioned relatively nail pushing device can be forwards the pulling back to be with and constitute of configuration with being free to slide;

The above-mentioned band of pulling back has the 1st anti-delinking part that can engage with above-mentioned nail pushing device and can be buckled in the 2nd anti-delinking part that above-mentioned staple covers;

The opening operation of above-mentioned nail pushing device and above-mentioned staple lid retreats linkedly;

When closing above-mentioned staple lid, the front end position of the above-mentioned band of pulling back along above-mentioned band guide portion enter staple below side.

2. stapler as claimed in claim 1, it is characterized in that: above-mentioned band guide portion is located at the front portion of above-mentioned nail pushing device towards the front lower place, when closing above-mentioned staple lid, above-mentioned front end position of pulling back band below above-mentioned band guide portion, enter staple below side.

3. stapler as claimed in claim 1 is characterized in that: above-mentioned staple lid has slotted hole, the 2nd anti-delinking part of the above-mentioned band of pulling back of buckle in above-mentioned slotted hole.