CN1059855C

CN1059855C - Staple drawer

Info

Publication number: CN1059855C
Application number: CN94113920A
Authority: CN
Inventors: 钱诗光
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-27
Filing date: 1994-09-27
Publication date: 2000-12-27
Anticipated expiration: 2014-09-27
Also published as: CN1119574A

Abstract

The present invention relates to a pair of improved tongs for pulling binding needles. The present invention is characterized in that slot structures are arranged on tip claws of the traditional tongs for pulling binding needles; the slots are parallel with bottom curves of the tip claws, or the slots are upwards bent. Thus, the present invention can ensure the binding needles to be completely pulled out of binding pages, and can not generate the problem that one foot of the binding needle is pulled and the other foot is still left in the binding pages. The structure of the tongs for pulling binding needles provided by the present invention is the same with that of the traditional tongs, but the binding needle pulling performance is greatly raised, and the devices for manufacturing the traditional tongs for pulling binding needles can be used for manufacturing the tongs for pulling binding needles provided by the present invention.

Description

Staple drawer

The present invention relates to staple drawer, relate more particularly to a kind of staple drawer that has improved, it can fully be extracted binding needle in bound pages, can not produce pin of binding needle and be pulled out, and another pin is still stayed the phenomenon in the bound pages.

Traditional staple drawer as shown in Figure 1, it comprises a right bluff piece (2) and a left bluff piece (5), the bearing pin (6) of the end of left and right bluff piece (2,5) links together rotationally, the inside has the spring (not shown) to make left and right bluff piece (2,5) be in open configuration, if to left and right bluff piece (2,5) pressurization, they just can be closed with finger.The other end of left and right bluff piece (2,5) becomes the tip (3,4) of arcuation.As shown in Figure 2, when will be with binding needle (8) from bound pages (7) when extract the lining, just the tip (3,4) with arcuation is inserted between binding needle (8) and the bound pages (7), clamps left and right bluff piece (2,5) then, and arcuation is most advanced and sophisticated just to be extracted binding needle (8) from bound pages (7) lining.

But this traditional staple drawer (1) has a very big shortcoming as shown in Figure 4; a pin (9) of binding needle (8) is extracted in generation through regular meeting; another pin (10) is still stayed bound pages (7) lining; bring very burden to the user; having cannot be used need not point to pull out stays the binding needle of ordering in the page or leaf; finger can be punctured, very dangerous and convenient.

In order to overcome this defective, people have done a lot of improvement to traditional staple drawer.As United States Patent (USP) 5,292,106,5,085,404,4,776,567,3,311,346 etc., proposed a lot of improved devices, but the improvement that they propose all is to increase a gripping mechanism on traditional staple drawer again, when binding needle one pin occurring and be pulled out another pin and stay in the bound pages situation, with this gripping mechanism binding needle is clamped and to be pulled out.The improved staple drawer that these patents are chatted, though can overcome the deficiency of traditional staple drawer, but all increased gripping mechanism and made structure complicated, and cost is increased, simultaneously in pulling out the process of binding needle, all increased by one and clamped the step that pin is extracted pin again, used cumbersome with gripping mechanism.

In addition, at United States Patent (USP) 4,921, disclosed a kind of staple drawer in 216, it has two grooves, i.e. first groove (face) and second groove (face), first groove (face) is parallel to the positive camber of sharp pawl, second groove (face) is perpendicular to the positive camber of sharp pawl, shown in the effect of groove be that binding needle is clamped, rely on the inclined-plane to close up then and at full tilt binding needle pulled out by external broach.Clearly this staple drawer not only needs just can extract binding needle with bigger power, and complex structure.

The objective of the invention is to overcome the various deficiencies of pulling out the bookbinding pincers of prior art, design further rapid just binding needle can being extracted in the bound pages fully of a kind of needs and can not produce one of binding needle and be pulled out, the staple drawer in the bound pages is still stayed in the other end.

A further object of the present invention is that a kind of structure of design is very simple, and the staple drawer that performance improves a lot, cost is very low.

The present invention realizes by following design:

A kind of staple drawer, comprise a pair of left bluff piece and right bluff piece, a described left side, one end of right bluff piece links rotationally with bearing pin, elastic component is with a described left side, right bluff piece struts, a described left side, the other end of right bluff piece respectively has a pair of sharp pawl, described sharp pawl has inside and outside two envelopes of curve to form, it is characterized in that it is the circular arc line in the center of circle with the bearing pin that described external curve is one, a described left side, the groove of oriented described inner curve opening in the sharp pawl of right bluff piece, the bottom of channel opening is substantially equal to the height of binding stitch to the axial distance of sharp pawl external curve, and described groove is to the crooked extension of bearing pin direction.

Staple drawer as previously discussed, wherein, described groove to the inner curve opening is distributed on two sharp pawls of bluff piece symmetrically.

Staple drawer as previously discussed, wherein, described groove is parallel with described external curve.

Staple drawer as previously discussed, wherein, described bluff piece is left bluff piece.

Staple drawer as previously discussed, wherein, described bluff piece is right bluff piece.

Staple drawer as previously discussed, wherein, described bluff piece is left bluff piece and right bluff piece.

Tangible on the advantage of staple drawer of the present invention.It can guarantee that binding needle is all extracted, can not produce a pin extracts another pin and still stays situation in the bound pages, its structure is very simple, compare with traditional staple drawer, only increased the structure of groove, can not increase manufacturing cost, can make staple drawer of the present invention simultaneously yet with equipment, the mould of making traditional staple drawer.

Description of drawings:

Fig. 1 is the three-dimensional view of traditional staple drawer.

Fig. 2 is the traditional front view of staple drawer when pulling out binding needle.

Fig. 3 is the A-A profile of Fig. 2, and wherein binding needle is extracted smoothly.

Fig. 4 is the A-A profile of Fig. 2, and wherein one of binding needle is pulled out, and the other end is still stayed in the bound pages.

Fig. 5 is the stereogram of staple drawer of the present invention.

Fig. 6 is the front view of staple drawer of the present invention when pulling out pin shown in Figure 5.

Fig. 7 is the B-B profile of Fig. 6.

Fig. 8 is the stereogram of the another embodiment of staple drawer of the present invention.

Fig. 9 is the front view of another embodiment of the present invention.

Now in conjunction with the accompanying drawings, staple drawer of the present invention is carried out detailed narration.Those of ordinary skill in this technical field according to these narrations, without creationary design, can also make various variations, but these variations drops on all within the application's the claim scope.

As shown in Figure 1, it is a kind of traditional staple drawer (1), it comprises a right bluff piece (2) and a left bluff piece (5), one end of left and right bluff piece (2,5) links rotationally with bearing pin (6), the spring part (not shown) is opened left and right bluff piece (2,5), and the other end of left and right bluff piece (2,5) all has the sharp pawl (3,4) of pair of parallel separately.

Shown in Fig. 3,4, be the situation that traditional staple drawer (1) pulls out binding needle (8).The sharp pawl (3,4) of left and right bluff piece (2,5) is inserted between binding needle (8) and the bound pages (7), because of left and right bluff piece (2,5) mutual closure under the pressure of finger, the intersection point D of left and right bluff piece (2,5) upper curve upwards rises, therefore binding needle (8) is extracted from bound pages (7) lining, this is a kind of ideal situation.But actual conditions often are not like this, as shown in Figure 4, left and right end of binding needle (8) (10,9) and bound pages (7) often different in conjunction with fastness, along with binding needle (8) by the process of extracting from bound pages (7) lining, itself and bound pages are lost more and more faster than another pin (10) in conjunction with fastness in conjunction with a pin (9) of fastness difference, therefore cause binding needle (8) one pin (9) as shown in Figure 4 to be pulled out, another pin (10) is still stayed in the bound pages.

Shown in Fig. 5,6, be a most preferred embodiment of staple drawer of the present invention (11).It comprises left bluff piece (12) and right bluff piece (13), and the end of left and right bluff piece (12,13) is linked together rotationally by bearing pin (14), and there is the spring (not shown) the inside and makes them be in open position, under the effect of external force, and can be closed.A left side, right bluff piece (12,13) the other end all has the sharp pawl (15 of pair of parallel separately, 16), shown sharp pawl (15,16) form by inner curve (17) and external curve (18) envelope, shown external curve (18) is a level and smooth convex outer curve, the best is to be the circular arc line in the center of circle with bearing pin (14), shown inner curve (17) is stretched to the bending of bearing pin (14) direction by the top E of sharp pawl, the distance of two parallel sharp pawls (16) of left side bluff piece (12) is less than the distance of two parallel sharp pawls (15) of right bluff piece (13), on the sharp pawl (16) of left bluff piece (12), be provided with groove (19), the iron wire that the width of groove (19) is slightly larger than binding needle (8) is directly thick, groove (19) is roughly parallel to the external curve (18) of sharp pawl (16), and the bottom surface of the opening part of groove (19) equals or approach to bind the height H of stitch to the axial distance K of sharp pawl external curve.Same groove (19) also can be located on the sharp pawl (15) of right bluff piece (13), perhaps all establishes groove on two pawls.

As shown in Figure 8, be an alternative embodiment of the invention staple drawer (20), the difference of the staple drawer shown in same Fig. 5,6 (11) is only opened longlyer at groove (21), and groove (21) is crooked to bearing pin (14).As another variation, this groove (21) all can be established on two pawls (15,16).

As shown in Figure 9, be another embodiment of the present invention, the difference of the staple drawer shown in same Fig. 5 of staple drawer (22), 6 is that the inner edge of groove (19) forms flange (23).Such structure helps in the binding needle lead-in groove (19).Conversion as it forms, and groove (19) and flange (23) can be located at left bluff piece (12) and go up or be located at simultaneously on left bluff piece (12) or the right bluff piece (13).

Staple drawer of the present invention (11) is to use like this: as Fig. 6, shown in 7, the sharp pawl (15 of staple drawer (11), 16) be inserted between binding needle (8) and the bound pages (7), folder holds together under the pressure of finger then, because of moving up, gradually binding needle (8) is extracted from bound pages (7) lining at the intersection point of inner curve (17), binding needle (8) is pulled out certain altitude and is just slided into groove (19) lining, because groove (19) is parallel to external curve (18), so binding needle (8) just can not continued to extract, and another pin of binding needle just continues to extract, and can not produce (8) pin of binding needle are extracted the situation that another pin is still stayed bound pages (7) lining.

As shown in Figure 8, staple drawer (20) be such work: after binding needle (8) enters groove (21), because of groove (21) to bearing pin (20) bending, so binding needle (8) continues to be pulled out, because binding needle (8) slides in groove (21) lining, can not produce one and be pulled out, the situation in the bound pages is still stayed in the other end.It is that the binding needle (8) that is pulled out can be stored within the groove (21) that this device also has an advantage, once loses in the waste basket after the binding needle of extracting (8) being collected then.

Bookbinding needle pliering as shown in Figure 9 is like this work: the pin that binding needle is extracted is earlier run into flange (23), is imported into groove (19), and another pin of binding needle just continues to extract up to whole binding needle and is pulled out.

Claims

1. staple drawer comprises a pair of left bluff piece and right bluff piece, a described left side, one end of right bluff piece links rotationally with bearing pin, elastic component is with a described left side, right bluff piece struts, a described left side, the other end of right bluff piece respectively has a pair of sharp pawl, described sharp pawl has inside and outside two envelopes of curve to form, it is characterized in that it is the circular arc line in the center of circle with the bearing pin that described external curve is one, a described left side, the groove of oriented described inner curve opening in the sharp pawl of right bluff piece, the bottom of channel opening is substantially equal to the height of binding stitch to the axial distance of sharp pawl external curve, and described groove is to the crooked extension of bearing pin direction.

2. staple drawer as claimed in claim 1 is characterized in that described groove to the inner curve opening is distributed on two sharp pawls of bluff piece symmetrically.

3. staple drawer as claimed in claim 2 is characterized in that described groove is parallel with described external curve.

4. staple drawer as claimed in claim 2 is characterized in that described bluff piece is left bluff piece.

5. staple drawer as claimed in claim 2 is characterized in that described bluff piece is right bluff piece.

6. staple drawer as claimed in claim 2 is characterized in that described bluff piece is left bluff piece and right bluff piece.