CN1799860A

CN1799860A - Stapler

Info

Publication number: CN1799860A
Application number: CN 200410011478
Authority: CN
Inventors: 松川健
Original assignee: Plus Stationery Corp
Current assignee: Plus Corp
Priority date: 2004-12-31
Filing date: 2004-12-31
Publication date: 2006-07-12
Anticipated expiration: 2024-12-31
Also published as: CN100406272C

Abstract

The invention provides a stapler which can use smaller force in staple with long service life. It arranges a staple nail compression plate (21) on the operation support (5); the back end of said operation support via main shaft (3) can be directly or indirectly rotated mounted on the support plate (1a) which is vertically mounted on the back end of basic support (1); with the rotation of operation support (5), the staple nail compression plate (21) can be descended to hit out the staple nail stored inside the staple nail storage base (4) one by one between the operation support (5) and the basic support (1); and it can process staple on the paper clamped by the staple nail receiving plate (2) of said basic support (1); and a handle support (6) whose back end is above the main shaft (3) and rotationally mounted on said support plate (1a) is arranged above said operation support (5), while its one end is mounted on the intermediate plate (22) in the center of handle support (6) and freely rotates around the shaft; and another end is freely rotationally mounted on said operation support (5).

Description

Stapler

Technical field

The present invention relates to the stapler that can utilize binding needle to bind with more weak power.

Background technology

The object lesson of known stapler is: at the mutual fitting operation frame that pivots of rear end side, binding needle storage platform and 3 parts of pedestal free to rotately, and by being arranged on the binding needle depress plate of crosshead front, get the binding needle that is contained in the binding needle storage platform one by one and it is depressed on the binding needle dash receiver that is arranged at the pedestal front, so that paper is bound.And, in order to carry out the operation of getting of binding needle by described crosshead by stapler with this known configurations, arranged outside handle frame at crosshead, the pin of the pars intermedia of the rear end side that is arranged on described handle frame fore-and-aft direction is matched with the slotted hole that is arranged on the crosshead pars intermedia, so that handle frame links to each other with crosshead, when carrying out stapling operation by the front that pushes described handle frame, by with of the leverage of described pin portion as application point, crosshead is rotated to carry out stapling operation, the power that the handle frame front is pressurizeed shows greatlyyer in the crosshead side, thereby can operate (for example, referring to patent documentation 1) with get (bookbinding) that less power is for example carried out binding needle.

Patent documentation 1: the spy opens the 2002-28877 communique

In above-mentioned example in the past, because the pin that is arranged on the handle frame side is moved in the slotted hole that is arranged at the crosshead side, and the edge part of pushing slotted hole is so that the crosshead rotation, thereby utilize the stapling operation of binding needle, therefore, for example crimping joint can take place in pin and elliptical aperture edge part, may cause a side or both sides' distortion by long-term this being crimped with, and distortion can cause and weaken the pushing force of binding needle is spontaneous, thereby has the impaired possibility of the original function of stapler.

The content of invention

The present invention be directed to that the shortcoming of this existing example makes, and provide and to have utilized binding needle to carry out the stapler of the new structure of stapling operation with more weak power.

Stapler of the present invention, on crosshead, be provided with the binding needle depress plate, the rearward end of described crosshead is pivoted on directly or indirectly to erect by main shaft free to rotately and is arranged on the supporting slice of pedestal rear end side, follow the rotation of described crosshead, described binding needle depress plate is descended, between described crosshead and described pedestal, get the binding needle in the binding needle storage platform one by one, and to by binding with the paper of the binding needle dash receiver clamping of described pedestal, wherein, be provided with above the described crosshead that rearward end is positioned at above the described main shaft and the handle frame that is pivoted on the described supporting slice free to rotate, the other end of sheet between two parties that an end is pivoted on the pars intermedia of described handle frame fore-and-aft direction free to rotately is pivoted on the described crosshead free to rotately.

Description of drawings

Fig. 1 is a longitudinal sectional drawing.

Fig. 2 is the profile of a-a line among Fig. 1.

Fig. 3 is the profile of b-b line among Fig. 1.

Fig. 4 is the longitudinal sectional drawing of stapling operation midway the time.

Longitudinal sectional drawing when Fig. 5 finishes for stapling operation.

Longitudinal sectional drawing when Fig. 6 fills for binding needle.

Fig. 7 is the longitudinal sectional drawing of second embodiment.

Fig. 8 is the longitudinal sectional drawing of the stapling operation of second embodiment when finishing.

The specific embodiment

Accompanying drawing has shown the embodiment of the stapler that the present invention relates to, Fig. 1 is a longitudinal sectional drawing, Fig. 2 is the profile of a-a line among Fig. 1, Fig. 3 is the profile of b-b line among Fig. 1, Fig. 4 is the longitudinal sectional drawing of stapling operation midway the time, the longitudinal sectional drawing the when longitudinal sectional drawing when Fig. 5 finishes for stapling operation, Fig. 6 are filled for binding needle, Fig. 7 is the longitudinal sectional drawing of second embodiment, and Fig. 8 is the longitudinal sectional drawing of the stapling operation of second embodiment when finishing.

First embodiment

In first embodiment of Fig. 1～Fig. 6,1 for being provided with the pedestal of binding needle dash receiver 2 at front end, relatively erect in the rear end of described pedestal 1 supporting slice 1a is set, 1a is at described supporting slice 1a, on the 1a, pivot in rearward end by main shaft 3 free to rotately binding needle storage platform 4 and crosshead 5 are installed, simultaneously, by being arranged on the fulcrum 7 of described main shaft 3 tops, 7, pivot in rearward end free to rotately handle frame 6 is installed.

Paper acceptance frame 8 is installed on described pedestal 1, the sheet shaped piece 8a that described paper acceptance frame 8 will be arranged on the rear end is assemblied on the described pedestal 1, and steeve for propping up the front of naming a person for a particular job with described sheet shaped piece 8a, the binding needle dash receiver 2 that is arranged on the pedestal 1 and is provided with binding needle guide channel 2a in the above is combined in the vertical hole 10 that is arranged on described paper acceptance frame 8 front ends, at front side first spring 11 is set as the described pedestal 1 of described binding needle dash receiver 2 sides, with along the direction that is separated from each other, promptly the direction that rises along paper acceptance frame 8 front ends loads the front of pedestal 1 and described paper acceptance frame 8, as shown in Figure 1, doing the time spent less than applying pushing by 4 pairs of paper acceptance frames 8 of binding needle storage platform, the guide channel 2a of described binding needle dash receiver 2 is positioned at the place, centre position in vertical hole 10.

In Figure 12, be to cooperate the restriction frame that is assembled on the described pedestal 1 at the downside of

paper acceptance frame

8,12 the loadings of restriction frame by second spring 13 between the sheet shaped piece 8a of its rear end and described paper acceptance frame 8 rear end side, the restriction frame sheet 12a of front is positioned under the front end sheet shaped piece 8b of described paper acceptance frame 8 supporting described sheet shaped piece 8b, thereby limits its decline.

In addition, restriction frame 12 is provided with and clips described paper acceptance frame 8 rear portion side and relative setting sheet shaped piece 12b, 12b, the projection 14 that is arranged on the described setting sheet shaped piece 12b is cooperated with inclined elongate 16 on the sheet 15a of foot that is arranged on connector 15, when the projection 14 along described inclined elongate 16 descends, by projection 14 is pressed against the slotted hole edge part, can make it revolt the loading of described second spring 13 and retreat, as a result, can pull down the restriction frame sheet 12a of described restriction frame 12 from the position of the sheet shaped piece 8b of paper acceptance frame 8.

Described connector 15 is fixed on the described binding needle storage platform 4 in the mode of the pars intermedia of being clasped described binding needle storage platform 4 by the main frame 15A of flute profile roughly, thereby on described main frame 15A, the described sheet 15a of foot is set and links to each other with limited part 12 with inclined elongate 16 matching relationships down side-prominent by described projection 14, on the rear end side of upside, compression zone sheet 15b to be set from the outstanding mode of described binding needle storage platform 4 upper limbs, compression zone sheet 15b is provided with circular-arc leading edge 15b ', the push strut 17 that is arranged on described crosshead 5 pars intermedias pushes along this leading edge 15b ' decline and to it, the result, the connector 15 that is provided with compression zone sheet 15b descends, by the matching relationship of described projection 14 and inclined elongate 16, the loading of limited part 12 resistances second spring 13 also retreats as described above.

Described binding needle storage platform 4 has adopted and has been sliding combined with escort part 18 and carries the known configurations of binding needles (self-evident with the outlet 19 of forward end, the this point of assembling described connector 15 at pars intermedia is different), and in rear portion side, the back-moving spring 20 that utilization is provided with in the mode that is installed between binding needle storage platform 4 and described pedestal 1 rear portion, keep the gap between binding needle storage platform 4 and the pedestal 1, in addition, crosshead 5 has adopted known structure: be made of main frame 5A that is provided with binding needle depress plate 21 at front end and the auxiliary frame 5B that is arranged on described main frame 5A inboard, at two frame 5A, be provided with elasticity second back-moving spring 22 stronger between the 5B than described back-moving spring 20, pars intermedia at main frame 5A, described push strut 17 on the front-end edge 15b ' of the compression zone sheet 15b that is crimped on the described connector 15 that is arranged at binding needle storage platform 4 sides is installed, with described push strut 17 is pivot, assembles an end of sheet 22 between two parties free to rotately.

Sheet 22 relatively links to each other at central portion sheet 22b place sidepiece sheet 22a is set between two parties, 22a, thereby make the pars intermedia of described crosshead 5 (main frame 5A) be arranged on sidepiece sheet 22a, between the 22a, as previously described, by push strut 17 with described sidepiece sheet 22a, the distolateral pivot of 22a is arranged on the crosshead 5 free to rotately, with sidepiece sheet 22a, the other end of 22a is arranged on the back side top (as the stapler user mode time) of described push strut 17, rear end (cardinal extremity) is positioned at utilize fulcrum 7 to pivot the sidepiece sheet 6b of the described handle frame 6 of the supporting slice 1a top that is arranged on pedestal 1 free to rotately, between the 6b, and make its setting that pivots by pivot 23 free to rotately.

Handle frame 6 is by described

sidepiece sheet

6b, 6b and longitudinally (fore-and-aft direction) be oppositely arranged described sidepiece sheet 6b, the central plate 6a of 6b constitutes, by being arranged on the fulcrum 7 on the same axis mutually, 7, make each sidepiece sheet 6b, the pivot supporting slice 1a of the correspondence that is arranged on pedestal 1 of the rearward end of 6b (base end part) free to rotately, on the 1a, make pars intermedia tilt and it is supported, so that front is positioned at the position of leaving crosshead 5 by the sheet between two parties between the pars intermedia of this pars intermedia and crosshead 5 22 to the back upper place.

And, if with

fulcrum

7,7 is the center, press down the front of handle frame 6 along the direction of pedestal 1, then handle frame 6 by pivot 23 and between two parties sheet 22 depress push strut 17, though because push strut 17 is installed on the main frame 5A of crosshead 5, so main frame 5A is that the fulcrum rotation descends with main shaft 3, but, because the elasticity of first spring 11 is less than second spring 13, therefore, before main frame 5A descended separately, the crosshead 5 that contains main frame 5A rotated at the alignment of shafts with binding needle storage platform 4 and descends.And, when described rotation descends, the connector 15 that is arranged on the binding needle storage platform 4 also descends, the inclined elongate 16 that is arranged on the sheet 15a of foot of described connector 15 also descends, the angle of inclination pushes protrusion 14 of described slotted hole 16 to design in advance, be provided with projection 14 restriction frame 12 resistance second spring 13 loading and retreat, thereby under the front end sheet shaped piece 8b of paper acceptance frame 8, form the space.In this state, the front of the binding needle storage platform of depressing by push strut 17 4 is depressed paper acceptance frame 8, the front of paper acceptance frame 8 is revolted the loading of first spring 11 and is descended, and it is outstanding relatively at the upper end position place in vertical hole 10 of paper acceptance frame 8 to be arranged on the guide channel 2a portion of the binding needle dash receiver 2 on the pedestal 1.And, by the fulcrum 7 proceeded with handle frame 6 is the rotating operation at center, when descending by the rotation of the crimping restriction binding pin of paper acceptance frame 8 being stored platform 4, overcome the loading of second spring 20, it is the rotation and the decline at center that crosshead 5 continues with main shaft 3, the result, binding needle depress plate 21 is got the binding needle the binding needle storage platform 4 and will be passed binding needle by the paper of

paper acceptance frame

8 and 4 clampings of binding needle storage platform by being pressed on the binding needle dash receiver 2 from outlet 19, it is horizontal that it is bent to, thereby carry out the binding papers operation, in this a succession of action, handle frame 6 is by depressing front along binding needle storage platform 4 intervenient pedestal 1 directions, thereby the fulcrum 7 with rear end (cardinal extremity) side is that fulcrum rotates, this pressing down (rotation) operation for example 23 formation of the pivot between described front and bolster 7 application point shows, for example, pass through lever principle, light pressure to handle frame 6 forms bigger downforce in crosshead 5 grades, thereby can carry out the stapling operation of binding needle easily.

In addition, in Fig. 6, though the state when having shown in binding needle storage platform 4 filling binding needle, but, in this state, the pivot 23 of handle frame 6 cooperates with the groove 24 that is arranged on crosshead 5 upper surfaces, is the rotation at center with the fulcrum 7 that limits with handle frame 6.

In the drawings, 26 is the resin cap of pedestal 1, and 26 ' is the resin cap of handle frame 6.

Second embodiment

Though described first embodiment that shows at Fig. 1～Fig. 6 is the situation that the present invention is used for portable stapler, but, Fig. 7 and device shown in Figure 8 are used stapler for adopting table of the present invention to go up, in this second embodiment, be provided with greatly relative setting of the rear end side of the pedestal 81 that is provided with binding needle dash receiver 80,

little support sheet

81a, 81a ', on the little support sheet 81a ' of rear side, by first main shaft 82, at the rearward end mounting support frame 83 that pivots free to rotately, place, pars intermedia top position at bearing support 83 is pivoted on rearward end with crosshead 84 by second main shaft 82 ', in addition free to rotately, upper end at described big bear sheet 81a, by being arranged on described first, the second main shaft 82a, the fulcrum 85 of 82a ' top is pivoted on rearward end with handle frame 86 free to rotately.

As shown in the figure, a supporting slice 81a is arranged on the place, centre position of pedestal 81 fore-and-aft directions, the fulcrum 85 that has assembled handle frame 86 is arranged on more locating by middle of pedestal 81 fore-and-aft directions, and to bear the following compressive load that when the fulcrum 85 with handle frame 86 is the rotating operation at center, produces by the center side of pedestal 81, limiting the action of described pedestal 81, thereby under the situation that can not hinder, carry out described rotating operation.

Described bearing support 83 keeps level by first back-moving spring 87 at its rear portion, between bearing support 83 and pedestal 81, in its lower face side binding needle storage platform 88 is housed, when the filling binding needle, pull out binding needle storage platform 88 to the place ahead of bearing support 83, the binding needle depress plate 89 of the described binding needle outlet of coming in and going out is set under the binding needle outlet (not shown) of described binding needle storage platform 88.

Binding needle depress plate 89 is fixed on the depress plate fixator 89A, described pressing plate fixator 89A by make pin 91 can move freely (relatively) be arranged on described crosshead 84 on circular-arc grooving 90 cooperate and be supported, make the guide pins 94 that is bearing on the described bearing support 83 front upper ends pass in the vertical slotted hole 93 that is arranged on pars intermedia and be mated, thereby pressing plate fixator 89A can lengthwise movement extremely determine the position, in resistance at bearing support 83 with operate second back-moving spring 95 between 84 (having the elastic force bigger) than first back-moving spring 87, with described second fulcrum 82 ' is that fulcrum is when rotating crosshead 84, the edge part of described circular-arc grooving 90 moves along pin 91, and it is depressed, the result, fixator 89A descends, simultaneously, depress plate 89 descends and gets the binding needle that binding needle is stored platform 88.

The structure that described crosshead 84 adopts is: by central plate 84A ' and the sidepiece sheet 84A that is connected with respect to this central plate 84A ' "; 84A " inboard of the main frame 84A that constitutes, setting is by central plate 84B ' and the sidepiece sheet 84B that is connected with respect to described central plate 84B ' "; 84B " the auxiliary frame 84B that constitutes, and make central plate 84A ', 84B ' is fixing each other, described sidepiece sheet 84B at auxiliary frame 84B "; 84B " on described circular-arc grooving 90 is set, and link to each other with depress plate fixator 89A and even depress plate 89 by pin 91, the other end of described second back-moving spring 95 on the pressed sheets 96 that an end is fastened on be arranged on the crosshead 84 is fastening, be installed on the central plate 84B '.

And, make the pars intermedia on described bearing support 83 tops be located at the sidepiece sheet 84A of main frame 84A "; 84A " an end between, as previously mentioned, by first fulcrum 82 ', this end pivot is installed on the bearing support 83 free to rotately, by connecting axle 98, free to rotately will be between two parties an end of sheet 97 be pivoted on as on the corresponding the other end of a described end of described hinge portion.

Sheet 97 is identical with the sheet between two parties 22 of first embodiment between two parties, be connected with sidepiece sheet 97a on central plate 97b relatively, 97a makes the leading section of crosshead 84 be positioned at sidepiece sheet 97a, between the 97a, with by foregoing connecting axle 98, free to rotately with sidepiece sheet 97a, distolateral being pivoted on the crosshead 84 of 97a, make sidepiece sheet 97a, the other end of 97a is positioned at the sidepiece sheet 86a of described handle frame 86, between the pars intermedia between 86a, and by the connecting axle 98 ' installation that pivots free to rotately.

Handle frame 86 is by described sidepiece sheet 86a, 86a and longitudinally (fore-and-aft direction) be oppositely arranged described sidepiece sheet 86a, the central plate 86b of 86a constitutes, as previously mentioned, rearward end (base end part) is pivoted on the supporting slice 81a of pedestal 81 by fulcrum 85, on the upper end of 8a free to rotately.

And, if be the center, depress the front of handle frame 86 along the direction of pedestal 81 with fulcrum 85, handle frame 86 is that the center makes crosshead 84 rotate declines and pushes second back-moving spring 95 by sheet 97 between two parties, with second main shaft 82 ' so.Because the elasticity of first back-moving spring 87 is less than described second back-moving spring 95, therefore, pushing by second back-moving spring 95, making the bearing support 83 of assembling binding needle storage platform 88 is that fulcrum rotates with first main shaft 82, the front end of the discharge oral-lateral of binding needle storage platform 88 descends and overlaps with binding needle dash receiver 80, and clamping is as the paper of being bound body.Afterwards, by continuing to depress the operation of handle frame 86, described second back-moving spring 95 dwindles, crosshead 84 by sheet 97 pushings between two parties is that fulcrum rotates with second main shaft 82 ', follow this rotation, the edge part that is arranged on the grooving 90 on the crosshead 84 will be sold 91 and depress, the fixator 89A that is provided with described pin 91 descends, the binding needle depress plate 89 that is assemblied on the fixator 89A descends, get the binding needle of assembling binding needle storage platform 88, thereby to binding by the paper of assembling binding

needle storage platform

88 and 80 clampings of binding needle dash receiver.In this a series of action, by direction along binding needle storage platform 88 intervenient pedestals 81, press down the front of assembling handle frame 86, thereby making binding needle storage platform 88 is that fulcrum rotates with the fulcrum 85 of rear end (cardinal extremity) side, described pressing down (rotation) operation is that for example the formation of the connection axial region between described front and fulcrum 85 application point shows, for example pass through lever principle, the low-force that acts on handle frame 86 is to bigger power of depressing of formation such as crossheads 84, thereby compare with the stapler that utilization does not have the crosshead of handle frame 86 to carry out the stapling operation of binding needle, can carry out stapling operation easily.

Because the present invention is by adopting foregoing structure, the pressing force of handle frame is formed bigger power and shows in the stapling operation that utilizes binding needle to carry out, therefore, can more successfully carry out stapling operation.

In addition, because the pressing operation of handle frame shows on the binding needle depress plate by linkage for example, therefore, can on parts, not apply irrational power, thereby the product with durability can be provided.

Claims

1. stapler, on crosshead, be provided with the binding needle depress plate, the rearward end of described crosshead is pivoted on directly or indirectly to erect by main shaft free to rotately and is arranged on the supporting slice of pedestal rear end side, follow the rotation of described crosshead, described binding needle depress plate is descended, between described crosshead and described pedestal, get the binding needle in the binding needle storage platform one by one, and to by binding with the paper of the binding needle dash receiver clamping of described pedestal, wherein, be provided with above the described crosshead that rearward end is positioned at above the described main shaft and the handle frame that is pivoted on the described supporting slice free to rotate, the other end of sheet between two parties that an end is pivoted on the pars intermedia of described handle frame fore-and-aft direction free to rotately is pivoted on the described crosshead free to rotately.