CN2326440Y

CN2326440Y - Efficient double-head stapler

Info

Publication number: CN2326440Y
Application number: CN 98209699
Authority: CN
Inventors: 黄为
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-01-15
Filing date: 1998-01-15
Publication date: 1999-06-30
Anticipated expiration: 2008-01-15

Abstract

The utility model relates to a high efficient double-head stapler, which is composed of a positioning seat body, a linkage mechanism, a pressing and binding machine head, movable staple back pad, and an adjustable sheet limiting sheet. The positioning seat body comprises a chassis, a supporting seat, a supporting arm, a bearing component, a bearing pressing spring, a bottom pad, a pin shaft, etc. The linkage mechanism comprises a connecting plate, a pressing cover plate, a positioning reed, a following block, a pin shaft, etc. The pressing and binding machine head comprises a machine cover, a staple pressing reed, a staple pressing plate, a staple channel seat, a staple feeding plate, a sliding card, a clamping spring, a tension spring, a pin shaft, etc. The utility model has the advantages of double stapling after pressing once, flexible operation, reliable binding, portability, one machine with multifunction, the improvement of binding efficiency and binding quality. The utility model is especially suitable book pages, the sizes of which are less than eight inches or paper.

Description

New and effective double end stapler

The utility model relates to a kind of new and effective double end stapler.

At present, the stapler of selling on the market all is whenever to push once to bind a staple, if want stapled a document, a periodical or a training book etc., usually to repeat to bind twice, both time and effort consumings, be difficult to grasp the bookbinding spacing again, always have deviation not make its nail mouthful neat, influence attractive in appearance with browse etc.Fix existing stapler on 2 markets though can make the special-purpose platen (frame) of a band depression bar, reach the purpose that double end is bound simultaneously, carry and use all inconveniently, more can not effectively solve the problem of page centre joint bookbinding with this.In addition, the existing stapler staple amount of once packing into is on the low side, and does not open cover and just not can know having or not of staple nail bin in or how much, usually is to know that just staple is intact after sky occurring and ordering.Along with being showing improvement or progress day by day and the fast development of information technology of human society, information age today particularly, the advanced person more of the popularization and application of computer and PRN device, make press further strengthened, all kinds of periodicals, letter printed matter get more and more, will the page of a large amount of fully loaded various information or paper be more convenient, bookbinding is quickly got up, just need the help of novel stapler, and be leveraged to the more and more epoch demand of incompatibility fast pace, trade mark standard of modern common single head stapler.

The purpose of this utility model be to design a kind of can be according to actual needs, arbitrarily adjust nail mouthful position and nail shape of the mouth as one speaks formula (interior receipts or turn up, order the side or the centre joint is ordered etc.), once push the new and effective double end stapler that just can finish page or binding papers.It can be bound along the centre joint of page or paper again along the side bookbinding of page or paper; Can two order, can singly order again; Can intuitively show staple in the nail bin what or have or not, can increase nail bin again and hold the nail amount.

The utility model is ordered head, activity time nail pad and adjustable limit page or leaf sheet by location pedestal, link gear, pressure and is formed.The location pedestal comprise chassis with some locating holes and chute, band connecting hole and locating slot and concavo-convex trace and with bolted be hinged in the bearing on the chassis, with the bearing pin of two ends band circlip the support arm on the end face of bearing both sides and supporting member, become truncated cone-shaped and big end by the supporting stage clip of build-in in the bearing locating slot, be fastened in the heelpiece on the flange bottom the two ends, chassis; Link gear comprises with the gusset piece of some positioning tooths and chute, together is hinged gusset piece at the cover clamp on the support arm, is used to fix and presses the positioning reed of ordering head, convenient finger to pinch the follower block of putting forward and fixing on the positioning reed two ends with the bearing pin of two ends band circlip; Pressure is ordered the cover that head comprises band dowel hole and pin hole, with the pressure nail reed of bolted in cover, be embedded with the pressure nail-plate of jump ring, the nail road seat of tape guide chute and solid spring hook, hang even and place the nail-plate of following closely in the road seat that send with extension spring, with screw solid on sending nail-plate and two outer ends import slip card in the nail road seat guide chute, with the bearing pin of two ends band circlip successively with cover, press nail-plate and nail road base rear end to be hinged, press the effect of nail-plate pressurized nail reed elastic force, its front end boss is worn to hang over and is pressed on the nail reed slotted eye, nail road seat front end is extended the jump ring lug card of pressing the nail-plate both sides and hangs, and uses bolt, packing ring, pressure is ordered head for spring washer and nut and positioning reed is connected on the gusset piece chute; The movable nail pad that returns comprises back nail pad, sunk screw, spring pad, top pressure spring and spring base, return nail pad quadrate, its surface be provided with back nail road and sunk screw hole, four jiaos be provided with the locating flange that can be solidly plugged in the locating hole of chassis, with sunk screw returning the spring pad of following closely pad and below and being with truncated cone-shaped top pressure spring and spring base with threaded hole with the top, together be connected corresponding to pressure and order on the chassis chute of head, can make to press and order the head rotation or slide and be subjected to positioning reed to fix the location along the gusset piece chute, and maintenance and gear formation vertical configuration; Adjustable limit page or leaf sheet comprises active blade, add the sheet of drawing money on credit, sunk screw, spring pad, top pressure spring, spring base and knurled thin nut, the horizontal segment middle part of active blade is provided with the sunk screw hole, a locating flange that can be solidly plugged in the locating hole of chassis is respectively established at two ends, the vertical section middle part is provided with opening, with sunk screw with the spring pad of the active blade of top and below be with truncated cone-shaped top pressure spring and spring base with threaded hole, together be connected on the vertical or horizontal chute in chassis, the surface that adds the sheet of drawing money on credit is provided with chute, the locating aperture that some symmetries are arranged along chute two outward flanges, the flush end front middle part is provided with a sunk screw hole, a locating flange that can be solidly plugged in the chassis surface longitudinal register hole is respectively established at two exterior angles, other end bending downwards makes it add the sheet surface of drawing money on credit to maintain an equal level, and available sunk screw and knurled thin nut will add the sheet flush end of drawing money on credit and be connected on the vertical chute of chassis surface.

Now the utility model is described in further detail in conjunction with the accompanying drawing of instantiation.

Fig. 1 is overall structure stereogram of the present utility model (ratio 1: 2); Fig. 2 is for pressing structure and the assembling stereogram (ratio 1: 2) of ordering head; Fig. 3 is movable coupling assembling structural perspective (ratio 1: 2) of returning nail pad, adjustable limit page or leaf sheet; Fig. 4 is the structural perspective (ratio 1: 2) that adds draw money on credit sheet and connector thereof; Fig. 5 is two views (ratio 1: 2) on chassis; Fig. 6 is the three-view diagram (ratio 1: 2) of bearing; Fig. 7 is the front view of support arm and draws profile (ratio 1: 2); Fig. 8 is two views (ratio 1: 2) of supporting member; Fig. 9 is the main pseudosection (ratio 1: 1) of supporting stage clip; Figure 10 is two views (ratio 1: 1) of heelpiece; Figure 11 is the three-view diagram (ratio 1: 2) of gusset piece; Figure 12 is two views (ratio 1: 2) of cover clamp; Figure 13 is the three-view diagram (ratio 1: 1) of positioning reed; Figure 14 is the three-view diagram (ratio 1: 1) of follower block; Figure 15 is the three-view diagram (ratio 1: 2) of cover; Figure 16 is for pressing the three-view diagram (ratio 1: 2) of nail reed; Figure 17 is for pressing the three-view diagram (ratio 1: 2) of nail-plate; Figure 18 is the three-view diagram (ratio 1: 2) of nail road seat; Figure 19 is the three-view diagram (ratio 1: 1) that send nail-plate; Figure 20 is the three-view diagram (ratio 1: 1) of the card that slides; Figure 21 is back the three-view diagram (ratio 1: 1) of nail pad; Figure 22 is the three-view diagram (ratio 1: 1) that adds the sheet of drawing money on credit; Figure 23 is the three-view diagram (ratio 1: 1) of active blade; Figure 24 is the front view (ratio 1: 2) of jump ring; Figure 25 is the front view (ratio 1: 1) of bearing pin; Figure 26 is two views (ratio 1: 1) of circlip; Figure 27 is two views (ratio 1: 1) of spring base; Figure 28 is two views (ratio 1: 1) of spring pad; Figure 29 is the main pseudosection (ratio 1: 1) of top pressure spring; Figure 30 is two views (ratio 1: 1) of knurled thin nut.

Extremely shown in Figure 30 as Fig. 1.

Make chassis (1) with thick 1.2mm steel plate, its appearance and size is 260 * 60 * 10mm, the wide 1.5mm of bottom peripheral flanging, 2 connecting holes in top (from left to right) are φ 3.8mm, centre-to-centre spacing 20mm, edge, left side, pitch-row chassis, a left side and the contiguous chute of right pitch-row edge are 12mm, article 4, the wide 4.2mm that is of microscler chute, the long 56mm that is respectively, 30mm, 54mm, 48mm, arrange two row (centre-to-centre spacing 30mm along every chute bilateral symmetry, 5mm at interval) locating hole of totally 92 φ 2.2mm, vertically the chute center line apart from both sides horizontal concrete chute adjacent side along being 30mm, right side horizontal concrete chute right-hand member apart from the chassis right edge along 18mm; The heelpiece of injection mo(u)lding (2), its appearance and size are 65 * 30 * 5mm, wall thickness 1.5mm everywhere, and middle part rectangle rib 20 * 1mm partly surrounds the wide 2.5mm of flange, is fastened on the flange of bottom, two ends, chassis; Make bearing (17) with thick 1.5mm steel plate, its appearance and size is bottom surface 35 * 19mm, two sides 40 * 27mm, there are 2 φ 3.8mm connecting holes (centre-to-centre spacing 20mm) bottom surface, 1 φ 4mm pin-and-hole (centre-to-centre spacing two adjacent sides are 5mm) and 2 10 * 1.5 * 0.3mm convex epireliefs and 1 1.5 * 1.5 * 0.3mm indenture are respectively arranged at top, two sides, the bottom is with 2 secondary M3.5mm, the bolt of long 8mm (13) is anchored on bearing (17) on the chassis (1), and simultaneously two bolt heads clamp and embedded for two ends along locating in 6 * 1.5mm locating slot to make at the bottom of the truncated cone-shaped directly φ 18mm with φ 1mm spring steel wire, footpath, top φ 10mm, the supporting stage clip (14) of high 20mm; Make supporting member (18) with thick 1mm steel plate, its appearance and size bottom surface 38 * 19mm, a both sides trapezoidal faces left side high 10mm, right high 26mm, low side has φ 4mm pin-and-hole; Make support arm (15) with thick 1mm steel plate, its long 160mm, both sides inner width 20mm, respectively there is φ 4mm pin-and-hole (two pin-and-hole centre-to-centre spacing 148mm) side, big or small two ends; With the bearing pin (16) of φ 4mm, long 27mm two ends band circlips (8) with the big end of support arm (15) and supporting member (18) hinge on bearing (17), the supported stage clip of supporting member (18) (14) resilient support makes the small end perk of support arm (15); Make gusset piece (21) with the steel plate of thick 1mm, its appearance and size is 170 * 22 * 12mm, 2 chutes in bottom are respectively 34 * 4mm, 54 * 4mm, along both sides, chute outside opening length respectively is 32mm, 52mm, uniform rectangle location tooth depth 2mm, wide 3mm, interval 2mm, the short groove section is established 5 teeth, long chute section is established 9 teeth, there is φ 4mm pin-and-hole (centre-to-centre spacing left end 60mm) both sides, it is 6 * 1.5 * 0.2mm that respectively there is 1 convex epirelief outside, short tooth section both sides, left end sidepiece rectangular opening is 5 * 2mm, right-hand member bottom side opening 2 * 2mm; The cover clamp of plastic pressure forming (7), its appearance and size are 173 * 27 * 18.5mm, and the long 26mm of top left opening presses the high 4mm of rib, wide 2.5mm, each wall thickness 2.5mm of, both sides pin-and-hole φ 4mm, the rectangle fin 4.5 * 1.5mm of corresponding gusset piece (21); With cover clamp (7) with gusset piece (21) is hinged and flat choosing on support arm (15), and make positioning tooth and the locating hole on chassis (1) on its gusset piece (21) corresponding to the same with the bearing pin (9) of φ 4mm, long 32mm two ends band circlips (8); Make cover (6) with thick 1mm steel plate, its length overall 114mm, top width 20mm, a left side flat the section high 10mm in both sides, long 74mm, the right tiltedly section high 16mm in both sides, top φ 4mm connecting hole (centre-to-centre spacing left margin 13mm) bilateral symmetry 10mm place respectively establishes the rectangle locating hole of 13 * 1mm, tiltedly section both sides pin-and-hole φ 4mm (centre-to-centre spacing bottom right 5mm); Make pressure nail-plate (20) with thick 0.8mm steel plate, its length overall 110mm, the long 5mm of front end boss, wide 3mm, right-hand member top width 16mm, the high 9mm in both sides, long 15mm, two pin-and-hole φ 4mm (the centre-to-centre spacing right side, following 5mm), left end top width 12.4mm, the high 6mm in both sides, long 76mm, the jump ring (33) of rectangle clamp spring hole 5 * 2mm (7mm before the centre-to-centre spacing is apart from top 1mm) embedded 1 V-arrangement φ 1.2mm, long 35mm, the wide 17mm of opening, the wide 8mm in bottom, two lug 5mm, high 2mm; Make nail road seat (3) with thick 1mm steel plate, its appearance and size is 109 * 15 * 14mm, the outer wide 4mm that closes up of left end, the high 5.5mm of interior folding, wide 8mm, the hook of extension spring inwardly lug (about 3.5 * 2mm) is established at the middle part, the logical slot opening 1mm in bottom, the two sides left end is established for stretching out the indenture that jump ring (33) lug of pressing nail-plate (20) two outsides fixes (about 6 * 2 * 0.3mm) and guiding indenture (about 6 * 1 * 0.3mm), right-hand member pin-and-hole φ 4mm (centre-to-centre spacing upper edge 5mm, apart from edge 4mm), the long 85mm of two sides middle part trapezoid-shaped openings, high 5mm, the wide 1.5mm of positioning runner for guiding usefulness, long 76mm, leading edge is apart from left end inner edge 20mm, and end opening is apart from interior base 6.4mm; Bearing pin (10) with φ 4mm, long 23mm two ends band circlips (8) is hinged cover (6), pressure nail-plate (20) and nail road seat (3) rear end; Make with thick 1mm steel plate and to send nail-plate (5), its appearance and size is 30 * 12.8 * 6.4mm, and the top squeeze screwed hole is M3mm (centre-to-centre spacing left side 20mm), and right-hand member is to the curved extension spring hook flange 4 * 2mm of declivity; Make the card (4) that slides with thick 1mm steel plate, its risers 12.8 * 3mm, horizontal plane middle part connecting hole φ 3.2mm, two break away blocks flange lateral widening 1.6mm, vertically long 3mm; To import with the screw (28) of M3mm, long 3mm that slip card (4) in nail road seat (3) chute is solid hangs sending on the nail-plate (5) that dragline draws in the extension spring (34) of making external diameter 3mm, long 30mm with φ 0.3mm spring steel wire, send the bearing pin external cylindrical surface lower edge that transverse plane can be followed closely the road seat by hinge behind the nail-plate; Make pressure nail reed (19) with thick 0.5mm, wide 18mm spring steel plate, the high 17mm of its vertical section, wide 12.6mm, rectangular opening are 11 * 4mm, the centre-to-centre spacing left margin 10mm of top φ 4mm connecting hole, the high 13mm of the oblique segmental arc of right-hand member, long 30mm; Make positioning reed (11) with thick 0.5mm, wide 10mm spring steel plate, the long 23mm in its end, the high 13mm in both sides, the long 5mm of top flange, middle part, end connecting hole φ 4mm, both sides locating hole and downward flange dimension are 4 * 3mm, the 4 breach R1.5mm of place, rectangular opening 4 * 1mm; The follower block (12) that injection mo(u)lding wall thickness 2mm is with teeth is fastened in positioning reed (11) two ends; Use M3.8mm, the screw of long 9mm (32) and nut (30) and spring washer (29) and 2 thick 0.8mm packing rings (31) will be pressed nail reed (19) respectively, cover (6) and positioning reed (11) are connected in gusset piece (21) chute, simultaneously, press the elastic force effect of nail-plate (20) pressurized nail reed (19), its front end boss is worn to hang over and is pressed on the nail reed slotted eye, nail road seat (3) front end is extended jump ring (33) the lug card of pressing nail-plate (20) and hangs, make whole nail-pressing handpiece be suspended at gusset piece (21) below, and rotatable or move and located by the fixing of positioning reed along chute, and maintenance and gear constitute vertical configuration; Make back nail pad (22) with thick 1.2mm steel plate, its appearance and size is 30 * 30 * 3mm, middle part sunk screw hole φ 3.2mm, both sides are apart from time about 6 * 2mm of nail road oral area size of 10mm, the about deeply 1.5mm in circular arc bottom, two centre-to-centre spacing respectively are 8mm (interior receipts) and 18mm (turning up), four jiaos of high 2mm of locating flange vertically downward, wide 1.5mm; Make active blade (23) with thick 1.2mm steel plate, its vertical plane is 60 * 12mm, intermediate openings 20 * 12mm, down either side breach 10 * 3mm, horizontal plane is 40 * 7mm, and sunk screw hole, middle part φ 3.2mm, centre-to-centre spacing both sides, hole 15mm respectively have the high 2mm of flange, the wide 1.5mm that vertically is folded to the bottom; Make spring base (27) with φ 8mm, long 9mm round steel, its screw top hole M3mm, long 5mm, hypomere φ 8mm external cylindrical surface annular knurl, epimere φ 4mm, long 7mm also put the top pressure spring (26) of making footpath 7mm at the bottom of the truncated cone-shaped, footpath, top 11mm, high 12mm with φ 0.8mm spring steel wire; With the spring pad (25) that sunk screw (24) and the thick 0.8mm steel plate of M3mm, long 6mm are made cylindrical φ 13mm, endoporus φ 4.2mm, the high 3mm of flange, will return nail pad and active blade respectively and be connected in the chute of corresponding chassis; Make with thick 1mm, wide 31.5mm steel plate and to add the sheet of drawing money on credit (36), its horizontal segment length 160mm, the high about 12mm of vertical section, the horizontal plane left end connects sunk screw hole φ 4.2mm, the high 3mm of the sagging flange of dual-side, wide 1.5mm, the long 120mm of right-hand member chute, wide 4.2mm, the wide 2.2mm of locating aperture, interval 5mm, to add the sheet of drawing money on credit (36) with the knurled thin nut (37) of the sunk screw (35) of M4mm, long 8mm and M4mm, cylindrical φ 9mm, thick 2.5mm and be connected on the vertical chute in chassis, and the active blade of longitudinal spacing be moved on to add on the sheet chute of drawing money on credit again.Above-mentioned each metal parts is all made antirust, cosmetic surface treatments.

Characteristics such as that the utility model had both had was reasonable in design, simple in structure, flexible operation, bookbinding are reliable, easy to carry, economical and practical, a tractor serves several purposes, remedied the deficiency of existing stapler again: (1) is provided with link gear, realize that one presses two ordering, improve binding efficiency and quality; (2) location of adopt sliding, easy to adjust freely, quick reliable; (3) improve feeding device for nail, set up and hold the nail Presentation Function, strengthen the nail amount of holding.Be specially adapted to a large amount of bookbindings 8 and open following page or paper.

During use, at first according to actual needs and personal habits, the autonomous bookbinding station of selecting pressure to order head, promptly pinch and put forward follower block, simultaneously pressure is ordered Nose Left or to right rotation perpendicular to link gear gland (two press to order head should be in the same way), again according to the page of need bookbindings or paper size and bookbinding form (order the side or the centre joint is ordered, receive in the staple leg or turn up) etc., adjust one by one press order head, movable nail pad and the adjustable limit page or leaf sheet of returning (slides or the rotation pressure is ordered head, must pinch simultaneously and put forward corresponding follower block; Slip or rotary moveable return nail pad or adjustable limiting sheet, the corresponding spring base of roof pressure simultaneously).Then, a pile neat page or a paper sent into before pressure is ordered the head head, when two aspects were subjected to stopping of adjustable limit page or leaf sheet simultaneously in length and breadth, one hand is pressed link gear can finish bookbinding.If want the centre joint of binding notes or paper, just will add the sheet of drawing money on credit and be hinged with on the vertical chute in chassis, and the longitudinally-moving catch moved to be contained on the chute that adds the sheet of drawing money on credit get final product.Before bookbinding or in the process, only need to observe the spacing that appears and scribble the slip card card end and the preceding not-go-end of its nail road seat chute of assertive colours mark, just can know and will not add or additional staple.Time spent not, can with two press order head forward transposition under gland, conveniently to store or to carry.

Claims

1, a kind of new and effective double end stapler, it is characterized in that it is by the location pedestal, link gear, pressure is ordered head, nail pad and adjustable limit page or leaf sheet composition are returned in activity, this location pedestal comprises the chassis, bearing, support arm, supporting member, the supporting stage clip, heelpiece, bolt, bearing pin and circlip, some locating holes of chassis surface band and chute, heelpiece is fastened under the chassis, bolt is fastened on bearing on the chassis, the bearing pin of band circlip is hinged support arm and supporting member on bearing, and the supporting stage clip becomes truncated cone-shaped and holds build-in in bearing and support supporting member and make support arm one end be suspended in the top, chassis greatly; This link gear comprises gusset piece, cover clamp, positioning reed, follower block, bearing pin and circlip, connect some positioning tooths of strip and chute, cover clamp is fastened on the gusset piece and is locating on the pedestal support arm with the bearing pin hinge of band circlip at the middle part, the positioning reed bottom is provided with connecting hole, locating hole and downward locating flange, and follower block is fastened in the positioning reed both side ends; This pressure is ordered head and is comprised the cover of being with locating hole, press the nail reed, be embedded with the pressure nail-plate of jump ring, nail road seat, card slides, send nail-plate, extension spring, bearing pin, circlip, screw, nut, packing ring and spring washer, the bearing pin of band circlip is with cover, press the afterbody of nail-plate and nail road seat to be hinged, nail seat both sides, road are provided with the chute of guiding and extension spring hook and head and are stretched out and press the jump ring lug card of nail-plate to hang, press the nail-plate front end boss to wear and hang in the pressure nail reed through hole, send nail-plate to place and hang in the nail road seat and with extension spring and connect traction, slip is fastened in to be sent on the nail-plate and two ends import in the chute of nail road seat, screw passes successively from the below presses the nail reed, the chute of the connecting hole of cover and link gear gusset piece, be inserted in packing ring again, positioning reed, packing ring, behind the spring washer, promptly be fastenedly connected with nut, make whole pressure order head and be suspended in top, pedestal chassis, location, and can below gusset piece, rotate or slide and be subjected to the fixing of positioning reed and locate, order head and gear formation vertical configuration to keep pressing; This activity is returned the nail pad and is comprised back nail pad, sunk screw, spring pad, top pressure spring and spring base, going back to nail pad quadrate and surface is symmetrical arranged two groups and returns that nail road, middle part are provided with a sunk screw hole, four angles have the locating flange that can be solidly plugged in the locating hole of chassis, with the spring pad that goes back to nail pad and below of top be with the truncated cone-shaped top pressure spring and spring base with threaded hole together is connected corresponding to pressure and orders on chassis chute head under, the top pressure spring seat can make back the nail pad rotate or slip with sunk screw; Limit that this is adjustable page or leaf sheet comprises active blade, add the sheet of drawing money on credit, sunk screw, spring pad, top pressure spring, spring base and knurled thin nut, active blade horizontal segment middle part is provided with a sunk screw hole, two ends are arranged with the locating flange that can be solidly plugged in the locating hole of chassis downwards, the vertical section middle part is provided with opening, with sunk screw with the spring pad of the active blade of top and below be with the truncated cone-shaped top pressure spring and spring base with threaded hole together is connected on the vertical or horizontal chute in chassis, the top pressure spring seat can make the active blade rotation or slide, the surface that adds the sheet of drawing money on credit is provided with chute and some locating apertures, the flush end front middle part is provided with a sunk screw hole, two outsides are provided with the locating flange that can be solidly plugged in the locating hole of chassis, available sunk screw and knurled thin nut will add the sheet flush end of drawing money on credit and be connected on the chassis, and other end bending downwards makes it add the sheet surface of drawing money on credit to maintain an equal level.

2, new and effective double end stapler according to claim 1, it is characterized in that pressure is ordered head, the nail pad is returned in activity and an adjustable limit page sheet respectively is equipped with two covers, and when pressing down the link gear cover clamp, two press the nail road seat front bottom end book head can be simultaneously over against and touch two movable return the nail pad return nail road oral areas.

3, according to claim 1,2 described new and effective double end staplers, it is characterized in that the chassis is provided with 4 and runs through chute, be provided with two along every chute both sides and arrange the symmetrical uniform locating hole that runs through, gusset piece is provided with two and runs through chute, is provided with bending along the gusset piece edge of two chute both sides upwards and spacing and the corresponding consistent positioning tooth of chassis locating hole.

4, according to claim 1,2,3 described new and effective double end staplers, it is characterized in that connecting hole both sides, positioning reed bottom are provided with locating hole that is fastened in simultaneously on the gusset piece positioning tooth and the locating flange that is solidly plugged in the cover locating hole downwards, pinch and put forward the follower block that is fastened in the positioning reed two ends, positioning reed two bottom side are raised and lost the fixing effect.

5, according to claim 1,2,3,4 described new and effective double end staplers, it is characterized in that following closely the extension spring hook that send the nail-plate rear end to be provided with downward bending in the seat, send behind the nail-plate transverse plane can be, and be fixed on slip card two cards that send on the nail-plate and import in the chute of nail seat both sides, road and holding eye-catching look mark by the bearing pin external cylindrical surface lower edge of nail road seat that is hinged.