CN1954970A - Nailing tool of continuous nailing - Google Patents

Nailing tool of continuous nailing Download PDF

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Publication number
CN1954970A
CN1954970A CN 200510030846 CN200510030846A CN1954970A CN 1954970 A CN1954970 A CN 1954970A CN 200510030846 CN200510030846 CN 200510030846 CN 200510030846 A CN200510030846 A CN 200510030846A CN 1954970 A CN1954970 A CN 1954970A
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CN
China
Prior art keywords
piston
cartridge
chamber
piston cylinder
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 200510030846
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Chinese (zh)
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CN100404208C (en
Inventor
陈琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tong Yuping
Original Assignee
SHANGHAI HAIHANG MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI HAIHANG MACHINERY CO Ltd filed Critical SHANGHAI HAIHANG MACHINERY CO Ltd
Priority to CNB2005100308460A priority Critical patent/CN100404208C/en
Publication of CN1954970A publication Critical patent/CN1954970A/en
Application granted granted Critical
Publication of CN100404208C publication Critical patent/CN100404208C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A nail shooting gun able to continuously shoot tens non-shell bullets is composed of nail tube, piston barrel, piston rod installed in barrel and able to axially move, piston sleeve, external sleeve tube, shooting needle, trigger handle, and bullet cartridge contained in said handle and consisting of supporting frame, slide plate, slide block and bullet cabin.

Description

Nailing tool of continuous nailing
Technical field
The present invention relates to a kind of ail shooter, relate in particular to a kind of nail shooting pill of no shell case non-primer mixture and the ail shooter that can pull the trigger continuously of being exclusively used in.
Technical background
Nail shooting pill is the power source of ail shooter in order to the emission nailing, and nail shooting pill is made up of shell case (as the copper shell), primer mixture (being commonly called as " fire in a stove before fuel is added "), propellant powder usually.Because the sensitivity of primer mixture is quite high, this brings potential safety hazard for falling of often occurring in use, transportation, storage of nail shooting pill, bump, friction, high temperature.The non-primer mixture non-shell pneuamtic nail bullet of Shanghai Haihang Machinery Co., Ltd.'s development, exploitation, having adopted nitrogen content is that 13% nitrocellulose and special process manufacturing form, cancelled used copper shell and the explosive primer mixture of copper shell bullet, can Long-term Storage never degenerate, have water-fast preferably, resistance to elevated temperatures, under the normal temperature situation, rub, collide, clash into and can not cause burning, detonate, meeting naked light does not explode, eliminate safe hidden trouble greatly, make its storage, transportation, very easy to use, and can save a large amount of non-ferrous metal-copper.Yet using the ail shooter of this no shell non-primer mixture nail shooting pill in the prior art all is to adorn an attack to send out a nailing, has a strong impact on operating efficiency.
Summary of the invention
The purpose of this invention is to provide and a kind ofly use no shell non-primer mixture nail shooting pill, and can realize once shooting the nailing tool of continuous nailing that to pull the trigger continuously.
Nail pipe, piston rod, piston cylinder and piston shell ring cover, outer tube, firing pin, plate machine and handle have been the present invention includes.Be provided with cartridge clip in the handle, described cartridge clip is to be made of support, slide plate, slide block and magazine, and described slide plate bottom is provided with locating hole, and this locating hole can be joined with the reference column of support lower end, is with spring on the reference column.Described cartridge clip is provided with the magazine that can adorn a plurality of caseless cartridges in the side near firing pin, bottom at magazine is provided with spring, the upper end of slide plate is provided with slide block, slide block can move relative to slide plate, this slide block is the inclined-plane in the one side away from magazine, its top of the another side relative with described inclined-plane is provided with a projection, and this projection can contact with a caseless cartridge in the magazine, and the below of slide block projection is provided with spring eye so that spring to be set.The one end engagement of plate machine and plate machine pull bar, the projection of the plate machine pull bar other end can match with the projection of hammer side, and hammer is fixed on the outer tube by bearing pin.Piston rod is contained in the piston cylinder and can moves axially, piston cylinder away from the nail pipe an end be provided with can with corresponding inclined-plane, slide block inclined-plane, the nail pipe is fixed on the piston cylinder, piston cylinder is fixedlyed connected with piston shell ring cover, piston cylinder and piston shell ring cover can move axially in outer tube, the afterbody inboard of piston shell ring cover is provided with cartridge chamber chamber in axial sliding, and indoor being provided with of cartridge chamber can axially movable firing pin.Cartridge clip can play the effect of handle, but also can establish handle in addition in a side of cartridge clip, and this and technical scheme of the present invention do not have the essence district to add.
The external tooth of front portion, cartridge chamber chamber can radially coincide with the internal tooth of piston cylinder afterbody, and the outer wall of described cartridge chamber chamber is provided with reverse pin and can matches with the oblique groove of outer tube, makes it cartridge chamber chamber rotatable certain angle in displacement.
Piston shell ring between outer tube and cartridge chamber chamber puts and is provided with the collision block that extracts, and the button that extracts can move axially in the outside of outer tube.The described collision block that extracts contacts with a reed at an end of nearly ejector, and an end of reed is fixed on the piston shell ring and puts, and the other end of the collision block that extracts is corresponding with the button that extracts.
It is indoor that ejector is arranged on cartridge chamber, and the center of described ejector is provided with through hole, and an end of firing pin can pass through this hole, and the other end of firing pin can contact with hammer, and described firing pin can move axially in that cartridge chamber is indoor.
Also be provided with back-moving spring so that hammer near a side of plate machine pull bar, is pulled the trigger spring housing on spring shaft on bearing pin, the top of hammer can contact with the afterbody of firing pin.
Radially be provided with some through holes on the piston cylinder rear wall, be with hush pipe, be provided with the noise reduction spring between described piston cylinder outer wall and the hush pipe inwall at the outer wall of piston cylinder.
The tail end of nail pipe is fixed with the shock absorbing circle, and the front end of piston rod can pass the internal diameter of described shock absorbing circle, and the diameter of piston rod tail end is greater than front end, puts at the piston shell ring and also is provided with the adjuster and the adjusting knob that can change the piston rod stroke.
Piston rod tail end face central authorities are processed with blind hole, and piston rod afterbody outer surface is provided with some equidistant grooves, and the afterbody of piston rod and piston cylinder inner chamber are slidingly matched.
The handle of ail shooter is provided with the groove that can place cartridge clip, be provided with the cartridge clip lock pin between one side of described groove wall and cartridge clip, this cartridge clip lock pin has two latch hooks, wherein Shang Duan lock pin matches with the lockhole of cartridge clip support one side, the latch hook of its lower end then can hook the bottom of cartridge clip, and spring one end that contacts with the cartridge clip lock pin is arranged in the respective aperture of handle.
The inner chamber tail end of ail shooter is provided with damping block and damping ring, and damping block and damping ring are fixed on the inner chamber afterbody of ail shooter by connector.
Disposable pilosity even tens caseless cartridges of holding of cartridge clip of the present invention, owing to be provided with specific ammunition feed mechanism, can realize the disposable purpose that shoots continuous percussion nailing, change situation, improve operating efficiency greatly when a nailing of pre-installed caseless cartridge percussion.In addition, the present invention has adopted silencing means and vibration absorber, has effectively reduced the operating noise of ail shooter and to the impact of ail shooter back seat.Because the area of piston tail is much larger than nailing end area, and the blast impulse power of body be by piston action on nailing, thereby can effectively reduce the speed that nailing enters matrix, avoid puncturing or smashing matrix.The present invention also is provided with the cartridge chamber blocking mechanism, and the internal tooth at external tooth by front portion, cartridge chamber chamber and piston shell ring cover rear portion radially coincide and makes cartridge chamber be in the rigidity blocking, with the security of further raising ail shooter under the percussion state.When duds or other reason occurring and need extract,, can be easily the duds or the caseless cartridge that need withdraw from be withdrawed from by discharging mechanism of the present invention.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a cartridge clip structural representation of the present invention;
Fig. 3 is a discharging mechanism schematic diagram of the present invention;
Fig. 4 is a hammer structural scheme of mechanism of the present invention.
The specific embodiment
A kind of nailing tool of continuous nailing includes nail pipe 1, piston rod 5, piston cylinder 6 and piston shell ring cover 12, outer tube 7, firing pin 18, plate machine 34 and handle 26.Be provided with cartridge clip 31 in the handle, the handle outer wall can cover rubber or plastic layer 36, to improve handling property.Cartridge clip is to be made of support 39, slide plate 40, slide block 41 and magazine, the slide plate bottom is provided with locating hole, this locating hole can cooperate with the reference column of support lower end, on reference column, be set with spring 43, described cartridge clip is provided with the magazine that can adorn a plurality of caseless cartridges 32 in the side near firing pin, be provided with spring 44 in the bottom of magazine, slide plate 40 can slide up and down in support 39.The upper end of slide plate 40 is provided with slide block 41, slide block skateboarding relatively.This slide block is the inclined-plane in the one side away from magazine, its top of the another side relative with described inclined-plane is provided with a projection that can contact with caseless cartridge, the below of described slide block projection is provided with spring eye so that spring 42 to be set, and can contact with the inclined surface on the piston cylinder 6 with slide block 41 inclined-planes that keep the slide plate upper end.Plate machine 34 meshes with an end of plate machine pull bar 33, the projection 45 of the plate machine pull bar other end can match with the projection 46 of hammer side, hammer 25 is fixed on the outer tube by bearing pin 27 activities, also be with back-moving spring 26 on the bearing pin 27, piston rod 5 is contained in the piston cylinder 6 and can moves axially, piston cylinder the end away from nail pipe 1 be provided with can with corresponding inclined-plane, slide block 41 inclined-planes, nail pipe 1 is threaded with piston cylinder 6, piston cylinder 6 is connected to one with piston shell ring cover 12, and piston cylinder and piston shell ring cover can move axially in outer tube 7.The afterbody inboard of piston shell ring cover 12 is provided with cartridge chamber chamber 14 in axial sliding, and indoor being provided with of this cartridge chamber can axially movable firing pin 18.
During use, magazine is taken off from cartridge clip, put in back cartridge clip 31 after loading onto caseless cartridge 32, then cartridge clip 31 is inserted among its groove by handle 36 belows.After putting in place, cartridge clip is pinned by cartridge clip lock pin 38, and spring 37 1 ends are fixed in the fixed hole of handle groove side, and the contacts side surfaces of the other end and cartridge clip lock pin 38 makes the bottom of the following latch hook R-clip of lock pin.After need take off cartridge clip, as long as plate is moving with the following latch hook of lock pin 38 backward.During shooting, the mouth end of nailing by nail pipe 1 inserted, then with the solid object surfaces of the vertical desire of ail shooter, firmly will follow closely pipe 1 compresses into, follow closely the motion backward together of pipe 1, piston cylinder 6 and piston shell ring cover 12 this moment, the slide block 41 that the inclined-plane at its piston cylinder rear portion promotes in the cartridge clip moves down backward and simultaneously, and relative another side is provided with a projection on the inclined-plane of slide block 41, a caseless cartridge 32 is pushed the inner chamber of cartridge chamber chamber 14 under the effect of this projection.Simultaneously, because 12 displacements backward of piston shell ring cover, its afterbody promotes hammer 25 backward and clockwise rotates, and cartridge chamber chamber 14 cooperatively interacts with the oblique groove of outer tube at the fixing reverse pin of its outer wall and moves after taking with firing pin 18 rotations also down.When cartridge chamber chamber 14 is displaced to certain position then can not be mobile again the time backward, nail pipe 1 also can move with piston cylinder 6,12 in piston shell ring cover backward, the external tooth of the internal tooth of piston cylinder 6 rearward end and 14 front portions, cartridge chamber chamber is matched form the locking shape of cartridge chamber, and making firing pin 18 enter the firing position of hammer, arm-to-arm is gone at the ail shooter place.This moment cocking 34, trigger is fixed on the ail shooter housing with trigger 35, the ail shooter housing is fixed as one with outer tube.One end of trigger is meshed with an end of trigger pull bar 33, thereby driving trigger pull bar 33 travels forward, projection 45 that trigger pull bar 33 other ends are set up and the projection on the hammer side 46 interact and make the off-centring of hammer 25 to outer tube, thereby make hammer free the restriction of piston shell ring cover 12, hammer 25 impacts firing pin 18 afterbodys forward with sudden force in the effect turning down of percussion spring 30, and the caseless cartridge 32 that causes the firing pin bump to be positioned at 14 front portions, cartridge chamber chamber makes its blast.Then, piston rod 5 impacts the nailing in the nail pipe 1 with sudden force under the effect of high pressure powder gas, it is squeezed into the thing of being followed closely.Percussion spring 30 is enclosed within on the spring shaft 29, an end in contact of one end and hammer, and the other end of hammer can contact with the afterbody of firing pin, also is provided with the spring 26 that hammer 25 is resetted on the bearing pin 27, and the side that this spring can make hammer is contact plate machine pull bar tightly.The outer wall of cartridge chamber chamber 14 is fixed with a reverse pin, this reverse pin can match with the skewed slot on outer tube 7 inwalls, make it cartridge chamber chamber 14 also rotatable certain angle when moving backward, match with the external tooth of realization 14 front portions, cartridge chamber chamber and the internal tooth of piston cylinder rearward end with piston shell ring cover.When ail shooter leaves object, under the effect of back-moving spring (not shown), make the nail pipe, piston cylinder is answered forward into together with piston shell ring cover and cartridge chamber chamber, and coincideing of the external tooth revolution of cartridge chamber chamber and disengaging and piston shell ring cover internal tooth, hammer, plate machine and plate machine pull bar thereof, slide plate in the cartridge clip, slide block is at separately back-moving spring 26,28,42, reset under 43 the effect, caseless cartridge to be pulled the trigger enters the protruding corresponding position with slide block 41 in the magazine under the effect of spring 44, wait for the percussion of next time, analogize therewith, the caseless cartridge in cartridge clip all shoots away.
Discharging mechanism of the present invention is included in outer tube 7 and is provided with the button 19 that extracts, on the cover of the piston shell ring between outer tube and the cartridge chamber chamber 12, be provided with the collision block 17 that extracts, the described collision block that extracts contacts with a reed 16 at an end of nearly ejector 15, one end of this reed is fixed on the piston shell ring cover 12, and the other end of the collision block that extracts is corresponding with the button 19 that extracts.When piston shell ring cover 12 resets forward, and the button 19 that extracts is in the position after leaning on, piston shell ring cover drives the collision block 17 that extracts and answers forward into together, the position-limiting action of button owing to extract, the front end of collision block of extracting can not descend, thereby the collision block that extracts can not clash into ejector 15, thereby can not form the action of extracting.When duds or other reason occurring and need extract, cartridge clip can be withdrawed from, and the button 19 that will extract is pushed forward position to, push then to go again after nail pipe 1 puts in place backward and unclamp, the constraint of button because the piece 17 that extracts or not at this moment, it makes leading section descend under the effect of reed 16, and the collision block 17 that extracts during homing action will clash into ejector 15, ejector is moved forward, withdraw from a caseless cartridge in the cartridge chamber chamber.After extracting, load onto cartridge clip, the button that will extract is pushed into the rear, to prepare percussion next time.
Be leaking of the powder gases that effectively reduces ail shooter, be provided with some equidistant grooves 47 to form piston ring on piston rod 5 rear portion external diameter circumference, the external diameter of described piston ring and the internal diameter of piston cylinder are slidingly matched, to reduce the high pressure powder gases to external leakage.When the gap of high pressure powder gases between piston ring and piston cylinder outwards leaks into the first road groove, its volume is splashed rapidly and is risen hundreds of times, because splashing of gas volume risen, its density and pressure descend greatly, the rest may be inferred, and when gas arrived last groove, its pressure was very little, almost do not have gas to release, thereby can effectively reduce the operating noise of ail shooter.For reducing the impact of 5 pairs of nailings of piston rod, reduce the slap shot speed of nailing, can be provided with a blind hole 48 in the tail end central authorities of piston rod 5.
Radially be provided with through hole on the wall at piston cylinder 6 rear portions, be with hush pipe 9, be provided with noise reduction spring 8 between described piston cylinder outer wall and hush pipe 9 inwalls at the outer wall of piston cylinder.Ammunition gas discharges by the gap between noise reduction spring and the hush pipe, owing to increased the gas purging path, speed and intensity that gas is discharged reduce greatly, can further reduce the noise that is produced because of shooting.One end of noise reduction spring 8 then uses collar 13 fixing with adjuster 11 location, its other end.The tail end of nail pipe 1 is fixed with shock absorbing circle 3, and the front end of piston rod 5 can pass the internal diameter of described shock absorbing circle, and the diameter of piston rod tail end is greater than front end, also is provided with the adjuster 11 and the adjusting knob 10 that can change piston rod 5 strokes on piston cylinder 6.The inner chamber tail end of ail shooter is provided with damping block 21 and damping ring 22, and damping block and damping ring are fixed on the inner chamber tail end of ail shooter by bearing pin.Nail pipe 1 is fixed on the piston cylinder 6 by being threaded, and the outside of nail pipe is with nail pipe box 2 and and cap 4.Reverse pin 20 is connected with cartridge chamber chamber 14, and the tail-hood of ail shooter is fixed with screw 24 and pad 23.

Claims (10)

1, a kind of nailing tool of continuous nailing, include nail pipe (1), piston rod (5), piston cylinder (6) and piston shell ring cover (12), outer tube (7), firing pin (18), plate machine (34) and handle (26), it is characterized in that: be provided with cartridge clip (31) in the handle, described cartridge clip is by support (39), slide plate (40), slide block (41) and magazine constitute, described slide plate bottom is provided with locating hole, this locating hole can cooperate with the reference column of support lower end, be with spring (43) on the reference column, described cartridge clip is provided with the magazine that can adorn a plurality of caseless cartridges (32) in the side near firing pin, be provided with spring (44) in the bottom of magazine, the upper end of slide plate (40) is provided with slide block (41), this slide block is the inclined-plane in the one side away from magazine, its top of the another side relative with described inclined-plane is provided with a projection, this projection can contact with a caseless cartridge in the magazine, the below of slide block projection is provided with spring eye to place spring (42), plate machine (34) meshes with an end of plate machine pull bar (33), the projection (45) of the plate machine pull bar other end can match with the projection (46) of hammer (25) side, hammer is fixed on the outer tube (7) by bearing pin (27) activity, piston rod (5) is contained in the piston cylinder (6) and can moves axially, piston cylinder the tail end away from nail pipe (1) be provided with can with corresponding inclined-plane, slide block (41) inclined-plane, the nail pipe is fixed on the piston cylinder, piston cylinder is fixedlyed connected with piston shell ring cover (12), piston cylinder and piston shell ring cover can move axially in outer tube, the afterbody inboard of piston shell ring cover is provided with cartridge chamber chamber (14) in axial sliding, and indoor being provided with of cartridge chamber can axially movable firing pin (18).
2, ail shooter according to claim 1, it is characterized in that the anterior external tooth in cartridge chamber chamber (14) can radially coincide with the internal tooth of piston cylinder (6) afterbody, the outer wall of described cartridge chamber chamber is provided with reverse pin and can matches with the oblique groove of outer tube (7), makes it cartridge chamber chamber rotatable certain angle in displacement.
3, ail shooter according to claim 1 and 2, it is characterized in that on the piston shell ring cover (12) between outer tube and the cartridge chamber chamber, being provided with the collision block that extracts (17), the button that extracts can move axially in the outside of outer tube, the described collision block that extracts contacts with a reed (16) at an end of nearly ejector (15), one end of reed is fixed on the piston shell ring cover (12), and the other end of the collision block that extracts is corresponding with the button that extracts (19).
4, ail shooter according to claim 3, it is characterized in that ejector (15) is arranged in the cartridge chamber chamber (14), the central authorities of described ejector are provided with through hole, one end of firing pin (18) can pass through this hole, the other end of firing pin can contact with hammer (25), and described firing pin can move axially in that cartridge chamber is indoor.
5, ail shooter according to claim 4, it is characterized in that also being provided with on the bearing pin (27) back-moving spring (26) makes hammer near plate machine pull bar one side, percussion spring (30) is enclosed within on the spring shaft (29), and the top of hammer (25) can contact with the afterbody of firing pin (18).
6, according to claim 1 or 2 described ail shooters, it is characterized in that radially being provided with through hole on the wall of piston cylinder (6) afterbody, be with hush pipe (9) at the outer wall of piston cylinder, be provided with noise reduction spring (8) between described piston cylinder outer wall and the hush pipe inwall.
7, ail shooter according to claim 6, the tail end that it is characterized in that nail pipe (1) is fixed with shock absorbing circle (3), the front end of piston rod (5) can pass the internal diameter of described shock absorbing circle, the diameter of piston rod tail end is greater than front end, also is provided with the adjuster (11) and the adjusting knob (10) that can change piston rod (5) stroke on piston shell ring cover (12).
8, according to claim 1 or 2 described ail shooters, it is characterized in that the tail end face central authorities of piston rod (5) are processed with blind hole (48), piston rod afterbody outer surface is provided with some equidistant grooves, and the afterbody of piston rod and piston cylinder inner chamber are slidingly matched.
9, according to claim 1 or 2 described ail shooters, it is characterized in that handle (36) is provided with the groove that can place cartridge clip (31), be provided with cartridge clip lock pin (38) between one side of described groove wall and cartridge clip, this cartridge clip lock pin has two latch hooks, wherein Shang Duan latch hook matches with the lockhole of cartridge clip support (39) one sides, the lower end latch hook then can hook the bottom of cartridge clip, and spring (37) one ends that contact with the cartridge clip lock pin are arranged in the respective aperture of handle.
10, ail shooter according to claim 9 is characterized in that the inner chamber tail end of ail shooter is provided with damping block (21) and damping ring (22), and damping block and damping ring are fixed on the inner chamber afterbody of ail shooter by connector.
CNB2005100308460A 2005-10-28 2005-10-28 Nailing tool of continuous nailing Expired - Fee Related CN100404208C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100308460A CN100404208C (en) 2005-10-28 2005-10-28 Nailing tool of continuous nailing

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Application Number Priority Date Filing Date Title
CNB2005100308460A CN100404208C (en) 2005-10-28 2005-10-28 Nailing tool of continuous nailing

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CN1954970A true CN1954970A (en) 2007-05-02
CN100404208C CN100404208C (en) 2008-07-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109141106A (en) * 2018-08-29 2019-01-04 上海歌尔泰克机器人有限公司 Rifle and a kind of unmanned plane are matched in a kind of running fire
CN109129333A (en) * 2018-09-20 2019-01-04 赵银宝 Machine hammer
RU2724149C1 (en) * 2019-09-27 2020-06-22 Юрий Павлович Мурзин Operating method of small self-propelled installation complex

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6912075U (en) * 1969-03-26 1969-10-09 Impex Essen Gmbh Fa BOLT DRIVER WITH STACKED CARTRIDGES
DE19642295A1 (en) * 1996-10-14 1998-04-16 Hilti Ag Powder-powered setting tool with magazine for fasteners
US6981630B2 (en) * 2000-10-12 2006-01-03 Illinois Tool Works Inc. Cartridge strip advancing mechanism for fastener driving tool
CN2451999Y (en) * 2000-11-28 2001-10-03 戴建忠 Continuous shooting apparatus for non-shell balls
CN2612513Y (en) * 2003-03-12 2004-04-21 陈冲 Shell-less bullet nail shooter
CN2732435Y (en) * 2004-10-15 2005-10-12 陈琪 Nail shooter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109141106A (en) * 2018-08-29 2019-01-04 上海歌尔泰克机器人有限公司 Rifle and a kind of unmanned plane are matched in a kind of running fire
CN109141106B (en) * 2018-08-29 2020-08-14 上海歌尔泰克机器人有限公司 Repeating gun and unmanned aerial vehicle
CN109129333A (en) * 2018-09-20 2019-01-04 赵银宝 Machine hammer
RU2724149C1 (en) * 2019-09-27 2020-06-22 Юрий Павлович Мурзин Operating method of small self-propelled installation complex

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