CN1034798C

CN1034798C - Stapler

Info

Publication number: CN1034798C
Application number: CN93108144A
Authority: CN
Inventors: 汉斯-沃纳·格罗沙
Original assignee: LEITZ LOUIS KG
Current assignee: LEITZ LOUIS KG
Priority date: 1992-07-04
Filing date: 1993-07-03
Publication date: 1997-05-07
Anticipated expiration: 2013-07-03
Also published as: IS4044A; DE59303896D1; TR27205A; CN1083777A; DE4222004A1; ATE142926T1; WO1994001251A1; EP0649362B1; EP0649362A1; ES2093971T3

Abstract

The invention relates to a stapler with a base (14), a staple magazine (22) and an upper part (36) provided with an expulsion plate. On a magazine cover (31) there is a stop (46). The cap (34) has a frontal wall (42), the underside of which extends as far as the stop (46) and has two extensions on its inner surface laterally separated from each other and from the stop and pointing towards the forward broad side of the ejector (32) which close the gap between the frontal wall (42) and the stop (46).

Description

Stapler

The present invention relates to a kind of stapler, it has a base; A staple cartridge that can center on transverse axis swing at the base rear portion is arranged; There is one can to have a top cover or do the same top board of imaging top cover around the transverse axis swing with respect to staple cartridge and base; Have on the support arm that is placed in top board as centering block, can be pressed into staple cartridge go out to follow closely in the groove, and the swing by top board is to going out to follow closely the pressure nail-plate that direction moves; Also have one to be arranged on the nail box or to be positioned on the nail lid plate of top board, from after pass the slotted hole of pressing nail-plate to be parallel to moving direction forward, and under the spring action between top board and nail box or nail lid plate, withstand the lower limit limit of slotted hole, give prominence to brake block in the broadside the place ahead of pressing nail-plate with its end.

One by top stapler of going into nail in, arrangement has one by nail box thrust guide post guiding, support by spring, push the nail pushing plate of head to, and top board can be swung about 180 ° to the position of going into to follow closely of opening from closing position with respect to nail box and base, driving nail pushing plate during swing moves, also have one under spring action, can press to the nail box from above in the top board closing position, have the nail lid plate of brake block around the transverse axis swing.The nail lid plate rose from the nail box by the brake block that it hangs on the pressure nail-plate when top board was opened, and was driven into the nail position.When the nail lid plate was swung with respect to top board against the power of spring in this position, brake block then rose from the lower limb of pressing the nail-plate slotted hole.Can produce a kind of danger like this, promptly press nail-plate to exceed the sphere of action of brake block around its swinging axle swing, and unclamp from the nail lid plate, consequently, stapler is ineffective.For fear of this situation, once the someone advised brake block is made the locating piece of catching slotted hole lower limb and dual-side.Can not also can viciously operate, it can cause pressing a nail-plate with avoiding, follows closely lid plate and disassembles partly with their coefficient springs.

Have in the stapler that balladeur train contains staple at one, the nail box has a thrust guide post that is used to have the nail pushing plate guiding usefulness that spring supports and one to be parallel to nail pushing plate and moves, and can be positioned on the nail box, its end face has the balladeur train of nail groove, uses for laying staple.Brake block is permanently connected with the nail box or with a nail lid plate that is permanently connected with them.Balladeur train is pressed in out when closed when pressure nail-plate lower limb in the nail groove is surrounded balladeur train and opens by the balladeur train top edge has just thrown off, so will produce a kind of danger during misoperation, promptly press nail-plate from the interlock of brake block, to unclamp, by different structures, press nail-plate to fall down and lose from its support arm.In addition, the spring support and connection between nail lid plate and top board may separate, and like this, whole stapler just is done for.If do not take added precaution, the spring of settling that gets loose between top box cover plate and top board is lost.

From this point, task of the present invention is: improved by the top stapler of going into nail or having balladeur train to contain nail known, only make it just can to make with simple means and follow closely box or follow closely getting loose of not occurring being connected between lid plate, top board and pressure nail-plate being reluctant having.

For solving this task, the described assemblage characteristic of claim 1 has been proposed, other outstanding designs of the present invention and structure are seen relevant every claim.

Imagination of the present invention is: can prevent to press nail-plate to come loose from its installation site unheedingly with a kind of mode, Here it is near the end-face wall that is provided with on the top cover that its lower limb reaches the brake block or splices with its end face, it has one at least and is arranged near its lower limb in the inboard towards brake block, in the both sides of brake block, and to pressing the flange in nail-plate broadside the place ahead.The free end of the projection that the side faces one another and the distance between the brake block should be selected less than the thickness of pressing the nail-plate material.Being preferably flange and brake block splices at its end ranges medial surface.Adopt this measure can accomplish on the one hand and brake block between, and do not have to allow the space of pressing nail-plate to pass through exist on the other hand and between the cap end flange of facing the wall and meditating.

A design preferably of the present invention is that top cover is provided with two sides and faces one another, and sets up the flange of brake block both sides separately.

Even do not press the motion of nail-plate unobstructed for the manufacturing tolerance that occurs often having also can not influence, do not clamped, the support arm of pendulum is rendered as two branches and is located at both sides, point to gathering sill longitudinally, in order to admit from pressing the outstanding swing arm in nail-plate side, there is certain limit in its length gap, and the cap end inboard of facing the wall and meditating has two at least on the guide section of gathering sill, towards the direction of pressing nail-plate broadside front side, the postive stop baffle of restriction axial clearance.

Elaborate the present invention with two example of structure of representing with schematic diagram below.They are:

Fig. 1 and 1a are by the longitdinal cross-section diagram of the top stapler of going into to follow closely

Fig. 1 a Fig. 1 partial enlarged drawing.

Fig. 2 has the stapler longitdinal cross-section diagram of containing the nail balladeur train

Fig. 3 Fig. 2 stapler partly cut-away exploded view

Fig. 4 Fig. 2 top board end face is horizontal sectional view partly

Mainly being made up of following parts the top stapler of going into to follow closely shown in Fig. 1 and the 1a: one microscler, and a chopping block 10 is forwardly arranged, and the base 14 of a bearing 12 is arranged at the rear portion; One can center on transverse axis 16 on bearing 12, from the power of the contrary spring 18 of the resting position that exceeds base with the nail box 22 of its head 20 to the direction swing of chopping block 10; One the nail box 22 led by thrust guide post 24, move to head 20 directions, spring-supported nail pushing plate 28 is arranged; And one with respect to nail box 22 and base 14, can swing about 180 ° top board 36 from closing position to the position of going into to follow closely of opening around transverse axis 16, drive nail pushing plate 28 swings during swing, the nail box 22 that it has a spring 30 to support, also has a pressure nail-plate 32 that coincide with nail box 22 heads 20, and a top cover 34 arranged, the top of pressing nail-plate 32 with the swing arm 38 of its both sides be placed in by the open guide slit in edge spacing, in the vertical on the gapped support arm 40.The axial clearance in guide slit, be subjected on cover plate 34 end-face wall 42, towards the broadside front side of pressing nail-plate 32 to and 44 of the postive stop baffles put are spacing and can not move forward, make swing arm 38 not slide forward from support arm 40.An outstanding forward brake block 46 is set on the nail lid plate 31, it from after pass forward and press slotted hole 48 identical on the nail-plate 32 and it is gripped, the block when it is formed in spring 30 effects and is in the terminal location of rising down slotted hole 48 lower limit limits 50 with moving direction.Nail lid plate 31 exceeds with its brake block 46 presses nail-plate 32 and outstanding part is engaged in the space 52 of rim openings of nail box 22 from top to down.Press in this position nail-plate 32 act on nail box 22 go out to follow closely in the groove 54.

Will be when binding into nail box 22, can improve top board 36, together with nail lid plate 31 and pressure nail-plate 32, brake block 46 is thrown off from space, location 52, lift away from nail box 22, for fear of pressing the nail-plate 32 can be when the top board raised position because the misoperation of the nail lid plate 31 that raises and sliding from brake block 46 be provided with two flanges 58 that split both sides near the lower limb of top cover end wall 42, its front end is towards the broadside of pressing nail-plate 32, and the seam of the break-through between closed brake block 46 and end-face wall 42 inner surfaces.

In structure illustration shown in Figure 2, nail box 22 has a balladeur train 60 that is used for laying staple, and it can move on the guide rod of nail box, and can snap-in location follow closely on the box 22 at the terminal location that pushes.Brake block 46 be arranged in nail box 22 irremovable nail lid plates 31 ' on, and from after pass the slotted hole 48 of pressing nail-plate 32 forward and stretch out.In order to prevent to press the slit of nail-plate 32 between unexpectedly facing the wall and meditating to skid off, near facing the wall and meditating 42 lower limb, cap end is provided with towards pressing nail-plate 32 broadsides, inwardly outstanding flange 58 by brake block 46 and cap end.

Summary is got up, and main points are: the present invention relates to a kind of stapler, it has a base 14; One can transverse axis 16 swings on the base 14 nail box 22 and one with respect to nail box 22 and base 14, can have a top cover 34 or do the same top board of imaging top cover 36 around transverse axis 16 swings.In top board 36, have one to press nail-plate 32 picture pendulum to be placed on the open supporting walls 40 in edge, it can be pressed into nail box 22 go out to follow closely in the groove 54, and the swing by top board 36 is moved going out to follow closely direction with respect to following closely box 22.Nail lid plate 31,31 ' in, a brake block 46 is arranged, it passes to press and is parallel to the slotted hole 48 of moving direction on the nail-plate 32 and stretches out forward and stopped by the lower limit limit 50 of slotted hole 48.In order to guarantee to press nail-plate 32 when nail box 22 refills the nail position, also can stay the installation site, top cover 34 has its lower limb to reach the end-face wall 42 of brake block 46, medial surface in end-face wall has two branches to be located at the brake block both sides, in the face of pressing the flange 58 of nail-plate 32 broadside front sides, it closes the seam that is used to press nail-plate 32 to pass through between end-face wall 42 and the brake block 46.

Claims

1. the stapler that a base (14) is arranged; It has a box of stapling together (22) that can center on base rear portion transverse axis (16) swing; There is one can center on transverse axis (16), has a top cover (34) or do the same top board of imaging top cover (36) with respect to nail box (22) and base (14) swing; Have in the support arm (40) that is placed in top board (36) swingably, and can be pressed into nail box (22) go out to follow closely groove (54) and can be to going out to follow closely the pressure nail-plate (32) that direction moves by the swing of top board (36); Also have one to be arranged on nail box (22) or the nail lid plate (31), passing one presses nail-plate (32) to go up the slotted hole (48) parallel with moving direction, from after stretch out forward, and under spring (30) effect between top board (36) and nail box (22) or the nail lid plate (31), withstand the lower limit limit (50) of slotted hole (48), its end is given prominence to outside the brake block of pressing nail-plate (32) broadside front side, it is characterized in that: top cover (34) is rendered as a near end-face wall (42) that arrives the brake block (46) with its lower limb (56) or splice with its end face, it has one at least near its lower limb (56) in the inboard towards brake block (46), be arranged on the both sides of brake block, towards the flange (58) of pressing nail-plate (32) broadside the place ahead.

2. according to the stapler of claim 1, it is characterized in that: the distance between the not end of the flange that the side faces one another (58) and the brake block (46) is less than the thickness of pressing nail-plate (32) material.

3. according to the stapler of claim 1, it is characterized in that: the not end of flange (58) and brake block (46) is overlapping in the side.

4. according to the stapler of claim 1, it is characterized in that: cap end face the wall and meditate (42) have two to face one another, set up the flange (58) of brake block (46) both sides separately.

5. according to the stapler of claim 1, it is characterized in that: support arm (40) be rendered as two on top board (36) alongst, divide the gathering sill that is located at both sides, be used for admitting and order the swing arm (38) that stretch out plate (32) side from pressure, certain clearance is arranged in the vertical, the inboard of (42) has two at least on the guide section of gathering sill and cap end is faced the wall and meditated, the postive stop baffle (44) that stretches out towards the direction in nail-plate (32) broadside the place ahead.