CN113720204A - Elastic ejection casing gun lifter and mounting method thereof - Google Patents
Elastic ejection casing gun lifter and mounting method thereof Download PDFInfo
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- CN113720204A CN113720204A CN202111095525.4A CN202111095525A CN113720204A CN 113720204 A CN113720204 A CN 113720204A CN 202111095525 A CN202111095525 A CN 202111095525A CN 113720204 A CN113720204 A CN 113720204A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A35/00—Accessories or details not otherwise provided for
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Abstract
The invention discloses an elastic throwing shell tappet gun machine and an installation method thereof, which can realize convenient and quick assembly and disassembly of an elastic throwing shell tappet. The bullet comprises a machine head body, a bullet bottom socket, a shell pulling hook pin, a shell pulling hook spring, a shell throwing tappet spring, a shell throwing tappet pin and a firing pin, wherein the shell pulling hook is positioned above the bullet bottom socket and is hinged to the machine head body through the shell pulling hook pin; the lower end of the projectile shell tappet is provided with a strip-shaped projectile shell tappet notch, and a projectile shell tappet pin transversely penetrates through the projectile shell tappet notch and is positioned in a projectile shell tappet pin hole formed in the machine head body, so that the projectile shell tappet has an axial motion space.
Description
Technical Field
The invention relates to the technical field of firearms, in particular to an elastic ejection shell gun lifter and an installation method thereof.
Background
After the firearm is fired, a gunlock backseat (a manual back-pulling gunlock is used as a non-automatic mode) finishes shell pulling and shell throwing actions, wherein the shell throwing modes comprise a rigid shell throwing mode and an elastic shell throwing mode.
The principle of the elastic casing throwing mode is that under the action of a casing throwing tappet spring, the elastic casing throwing tappet always butts against the bottom of the cartridge case, and after the cartridge case leaves a cartridge chamber, under the action of a casing throwing tappet spring, the elastic casing throwing tappet pushes the cartridge case open, so that the cartridge case rotates around a casing pulling hook to complete the casing throwing action.
During the assembly of the gun machine, an assembly bench worker needs to clamp the tail part of the gun machine by a tiger clamp, firstly puts a casing-throwing tappet spring into a casing-throwing tappet hole of a machine head body, then loads the casing-throwing tappet, and then pushes the casing-throwing tappet into the casing-throwing tappet hole by a punch with one hand, so that a gap of the casing-throwing tappet is aligned with a casing-throwing tappet hole and then is stabilized, and the casing-throwing tappet is knocked into by a hammer with the other hand to lock the casing-throwing tappet, so that the gun machine is often supported by one other person when the casing-throwing tappet is knocked into. The assembly process, the operation is more complicated, and is inefficient, and the cooperation is not good, and the throwing shell is very easy to pop out under the effect of throwing shell very spring, leads to parts such as throwing shell very, throwing shell very spring to scatter everywhere and lose, injures people's phenomenon even. When the shell throwing stile is disassembled, as the shell throwing stile is assembled, the tail part of the gun machine needs to be clamped by a tiger clamp, the shell throwing stile also needs to be propped by a punch, and then the shell throwing stile pin is knocked out by the hammer and the punch, so that the process of disassembling the shell throwing stile is also complex and can be completed by assistance of other people.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an elastic throwing shell tappet gun machine and an installation method thereof, which can realize convenient and quick assembly and disassembly of an elastic throwing shell tappet.
The purpose of the invention is realized as follows:
an elastic ejection case tappet gun machine comprises a machine head body, and an ejection bottom nest, an ejection case hook pin, an ejection case hook spring, an ejection case tappet spring, an ejection case tappet pin and a firing pin which are arranged on the machine head body, wherein the ejection case hook is positioned above the ejection bottom nest and is hinged to the machine head body through the ejection case hook pin;
the gun-drawing device is characterized by further comprising a pull-shell hook top, the pull-shell hook top is in clearance fit with the top hole, a pull-shell hook spring is arranged between the pull-shell hook top and the hole bottom of the top hole, the head of the pull-shell hook top is provided with an arc surface, the tail end of the pull-shell hook is provided with an inclined surface, the arc surface of the pull-shell hook top is in contact with the inclined surface of the tail end of the pull-shell hook, the inclined surface of the tail end of the pull-shell hook is in included angle alpha along the horizontal plane, the pull-shell hook top applies positive pressure F1 vertical to the pull-shell hook, and friction resistance F2 outwards along the inclined surface, the positive pressure F1 enables the tail end of the pull-shell hook to rotate outwards, and the friction resistance F2 prevents the pull-shell hook head from expanding to form an incomplete self-locking gun;
the lower end of the projectile shell tappet is provided with a strip-shaped projectile shell tappet notch, and the projectile shell tappet pin transversely penetrates through the projectile shell tappet notch and is positioned in a projectile shell tappet pin hole formed in the machine head body, so that the projectile shell tappet has an axial motion space.
Preferably, the head of the top of the pull-shell hook is a hemispherical head to form an arc surface.
Preferably, the head of the top of the pull-shell hook is rounded to form a circular arc surface.
Preferably, the position where the arc of the top of the shell pulling hook contacts with the tail end inclined plane of the shell pulling hook is positioned outside the shell pulling hook.
Preferably, the top of the pull shell hook is in a stepped shaft shape, and the small-diameter section of the top is sleeved in the pull shell hook spring.
Preferably, the arc surface of the top of the shell pulling hook is tangent to the inclined plane of the tail end of the shell pulling hook.
A method for installing an elastic ejection casing gun lifter,
s1, mounting a shell pulling hook, a shell pulling hook pin, a shell pulling hook spring and a shell pulling hook top;
s2, sequentially installing the projectile shell tappet spring and the projectile shell tappet into the projectile shell tappet hole of the machine head body, overcoming the spring force of the projectile shell tappet spring, pressing the projectile shell tappet to the installation position, aligning the projectile shell tappet notch with the projectile shell tappet pin hole, and then installing the projectile shell tappet pin to lock the projectile shell tappet;
s3, preparing an installation device, wherein the installation device is cylindrical, the working end of the installation device corresponds to the bullet bottom socket, and an annular groove is formed in the circumferential wall of the working end of the installation device along the circumferential direction;
the working end of the mounting device faces the bullet bottom nest of the machine head body, the annular groove of the mounting device is used for hooking the hook teeth of the pull-shell hook, the mounting device is pulled downwards, the mounting device is made to rotate around the hook teeth of the pull-shell hook, meanwhile, the end face of the working end of the mounting device extrudes the projectile shell support into the projectile shell support hole, and the notch of the projectile shell support is aligned to the projectile shell support pin hole;
s4, continuously pulling the mounting device to the end face of the working end of the mounting device to be attached to the bullet bottom socket mirror face of the machine head body, and knocking the shell throwing tappet into the shell throwing tappet pin hole;
s5, after the projectile shell tappet pin is assembled, the mounting device is taken down, the projectile shell tappet springs outwards under the action of the projectile shell tappet spring until the projectile shell tappet pin locks, and the projectile shell tappet is mounted completely.
Preferably, when the ejection shell lifter is detached, the annular groove of the mounting device is used for hooking the hook teeth of the pull shell hook, the ejection shell lifter is pressed into the ejection shell lifter hole, the ejection shell lifter pin is knocked out, and the ejection shell lifter spring are sequentially taken out after the mounting device is taken down.
Preferably, the working end face of the mounting device is provided with an abdicating hole for abdicating the striker pin.
Preferably, in S1, the method for installing the slide hook, the slide hook pin, the slide hook spring and the slide hook plug includes:
sequentially loading a shell pulling hook spring and a shell pulling hook top into a top hole of the machine head body, overcoming the spring force of the shell pulling hook spring, completely pressing the shell pulling hook top into the top hole of the machine head body, and pressing the shell pulling hook top to keep the shell pulling hook top in the original position;
placing the pull shell hook in place and locking the pull shell hook through a pull shell hook pin;
and releasing the top of the shell pulling hook to enable the arc surface of the top of the shell pulling hook to be in contact with the inclined surface of the tail end of the shell pulling hook.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention can hook the annular groove of the mounting device (or a bullet and a cartridge case) by using the pull-case hook, only the mounting device (or the bullet and the cartridge case) needs to be pulled by fingers to rotate around the hook tooth of the pull-case hook, the working end face (or the bottom edge of the bullet and the cartridge case) of the mounting device can press the throwing case tappet into the throwing case tappet hole on the machine head body, the notch of the throwing case tappet is automatically aligned with the throwing case tappet pin hole, and then the throwing case tappet pin is knocked in to lock the elastic throwing case tappet. The assembly process does not need a vice, does not need a punch to be pressed into the throwing shell lifter, and does not need special distraction to enable the notch of the elastic throwing shell lifter to align with the throwing shell lifter pin hole. Because the center of the working end surface of the mounting device is provided with the abdicating hole, the firing pin is in the pop-out state, and the shell throwing lifter can be conveniently mounted. Even if the installation device is not provided, the installation method can also utilize the bullet (or the shell) to complete the installation and the disassembly of the ejection shell lifter. The elastic casing-throwing mechanical arm mounting device and the mounting method are simple and convenient to assemble and disassemble, assistance of other people is not needed, installation and disassembly of the elastic casing-throwing mechanical arm can be independently completed even by non-professional fitters, convenience and practicability of assembly operation and daily maintenance operation of elastic casing-throwing mechanical arms are improved, the mounting device and the mounting method have good popularization and practical values, and good economic benefits and social benefits can be generated after wide popularization and application.
The pull-shell hook spring is longitudinally arranged along the axis direction of the bolt. Under the action of the draw-shell hook spring, the reversed circular arc (or the semi-sphere) of the top head of the draw-shell hook props against the inclined plane of the tail end of the draw-shell hook, and the action line of the force F1 applied to the draw-shell hook is arranged on the outer side of the draw-shell hook pin, so that the draw-shell hook rotates around the draw-shell hook pin to clasp the cartridge case. The structure has the advantages that the arc at the top of the pull shell hook is in contact with the inclined plane at the tail end of the pull shell hook, when the pull shell hook opens outwards, a friction force F2 is formed on the contact surface, and the self-locking pull shell hook is used for inhibiting the outward opening effect, so that when the pull shell hook spring is designed, the reliable shell holding of the pull shell hook can be ensured without too large spring force. Because the pull-shell hook spring is longitudinally arranged along the axis direction of the gun bolt, the transverse size of the gun bolt is reduced, the structure of the gun bolt is more compact, and the transverse size of the whole gun is reduced. The novel elastic ejection shell gun lifter and the installation method thereof are very suitable for compact guns, particularly for guns reserved for the elastic ejection shell gun lifter and the installation method thereof, and have high popularization value and wide application prospect.
Drawings
FIG. 1 is a partial cross-sectional view of a bolt face with a projectile lifter to be installed;
FIG. 2 is a schematic view of a parabolic case lifter installation apparatus;
FIG. 3 is a schematic view of the mounting apparatus jacking an elastic projectile into a projectile jack;
FIG. 4 is a schematic view of the mounting device jacking the elastic casing jack into the casing jack when the firing pin is in the pop-out state;
FIG. 5 is a schematic view of the locking of the projectile by the insertion of the projectile lifter pin;
FIG. 6 is a schematic view of the assembled parabolic case tappet;
FIG. 7 is a schematic view of a shell holding state of the shell pulling mechanism;
FIG. 8 is a schematic view of a clamshell hook;
fig. 9 is a force-bearing schematic diagram of the shell-pulling mechanism.
Detailed Description
The invention will be described with reference to the accompanying drawings, in which fig. 1 is a partial cross-sectional view of a bolt face, 1-a draw hook, 2-a striker, 3-a head body, 4-a projectile lifter spring, and 5-a projectile lifter.
In the attached drawing 1, the projectile shell tappet spring 4 and the projectile shell tappet 5 are sequentially arranged in the projectile shell tappet hole of the machine head body 3, when the projectile shell tappet 5 is pressed into the correct installation position, the spring force of the projectile shell tappet spring 4 needs to be overcome, the projectile shell tappet notch is exposed out of the projectile shell tappet hole, and the projectile shell tappet 5 is locked by the projectile shell tappet pin. FIG. 1 shows a state where the projectile lifter notch is not exposed from the projectile lifter pin hole, and the projectile lifter pin is not inserted.
FIG. 2 is a mounting device 7, the annular groove is used for being buckled with the pull shell hook 1, the working end face is used for extruding the throwing shell tappet, and the abdicating hole of the working end face is used for mounting the throwing shell tappet for abdicating the firing pin when the firing pin is in an emerging state.
In the attached drawing 3, the working end of the mounting device 7 faces the bullet bottom nest of the machine head body 3, the annular groove of the mounting device 7 is used for hooking the hook tooth of the pull-shell hook, the mounting device 7 is pulled towards the arrow direction by a finger, the mounting device 7 rotates around the hook tooth of the pull-shell hook, the operating end face of the mounting device simultaneously extrudes the projectile shell tappet 5 into the projectile shell tappet hole, and the notch of the projectile shell tappet is exposed out of the projectile shell tappet hole.
In fig. 5, the mounting device 7 is continuously pulled to the working surface to be attached to the surface of the bullet socket of the machine head body 3, and the shell-throwing tappet 6 is knocked into the shell-throwing tappet hole by the hammer.
In the attached drawing 6, after the projectile shell tappet pin 6 is assembled, the mounting device 7 is taken down, and the projectile shell tappet 5 springs outwards under the action of the projectile shell tappet spring 4 until the projectile shell tappet pin 6 locks the projectile shell tappet, so that the installation of the projectile shell tappet is finished.
In the attached figure 4, the installation process of the ejector case lifter when the firing pin 2 is in an emerging state is schematically shown, and the installation of the ejector case lifter is not influenced because the working surface of the installation device is provided with the abdicating hole.
When the ejection lifter 5 is disassembled, the annular groove of the mounting device 7 (or a bullet or a cartridge case) is used for hooking the hook teeth of the pull-out hook, the ejection lifter 5 is pressed into the ejection lifter hole (see the attached drawing 5), the ejection lifter pin 6 is knocked out by a punch, and the ejection lifter 5 and the ejection lifter spring 4 can be sequentially taken out by slowly releasing the mounting device 7.
In figure 7, the case drawing mechanism is composed of 1-case drawing hook, 8-case drawing hook pin, 9-case drawing hook top, 10-case drawing hook spring and bullet bottom nest. 11-cartridge case. The bolt is in the state of embracing the shell. The shell pulling hook spring 10 transmits spring force to the shell pulling hook top 9, the arc of the shell pulling hook top 9 is in contact with the inclined plane of the tail end of the shell pulling hook, force F1 is transmitted to the shell pulling hook, the action line of F1 is arranged on the outer side of the shell pulling hook pin 8, the shell pulling hook 8 rotates clockwise around the shell pulling hook pin, and hook teeth of the shell pulling hook enter an annular groove of the bullet shell 11 to hold the bullet shell.
FIG. 8 shows a hook with a tail end inclined plane having an included angle of α.
In the attached figure 9, the novel elastic ejection casing gun lifter and the installation method thereof are still in a self-locking ejection casing structure, the action line of the ejection casing resistance F is positioned outside the ejection casing hook pin 8, so that the ejection casing hook 1 rotates clockwise around the ejection casing hook pin 8 to hold the cartridge casing tightly, and the self-locking elastic ejection casing gun lifter and the installation method thereof are formed.
In the attached drawing 9, the arc of the top 9 of the shell pulling hook is contacted with the inclined plane at the tail end of the shell pulling hook 1, the top 9 of the shell pulling hook applies a positive pressure F1 vertical to the inclined plane to the shell pulling hook 1, and the action line of the top is positioned at the outer side of the shell pulling hook, so that the shell pulling hook 1 rotates clockwise around a shell pulling hook pin to clasp the cartridge case. At the same time, a frictional resistance F2 is applied to prevent the pull-out hook from opening. The frictional resistance F2 prevents the cartridge case from opening, has self-locking function, but not completely self-locking, the self-locking degree is related to the included angle of the inclined plane of the tail end of the pull case hook as alpha, and the smaller alpha is, the larger the generated self-locking function is. Alpha is small to a certain extent and can form complete self-locking. Before the elastic ejection casing gun lifter and the installation method thereof are used for extracting the casing, the casing must be squeezed into the casing bottom nest, if the casing is completely self-locked, the casing cannot enter the casing bottom nest, so the alpha parameter of the inclined plane at the tail end of the casing pulling hook is designed to be incompletely self-locked so as to be convenient for the casing to be squeezed into the casing bottom nest. The self-locking function of the frictional resistance F2 inhibits the pull-shell hook from opening, so that the reliable shell holding of the elastic ejection shell gun lifter and the installation method thereof can be ensured only by a pull-shell hook spring with small spring force. Because the size of the hook spring of the pull shell is small and the hook spring is longitudinally arranged along the axis of the bolt, the transverse size of the bolt is small and the structure is compact.
The novel elastic ejection shell gun lifter and the installation method thereof have the pull shell hook spring longitudinally arranged along the axis direction of the gun lifter. Under the action of the draw-shell hook spring, the reversed circular arc (or the semi-sphere) of the top head of the draw-shell hook props against the inclined plane of the tail end of the draw-shell hook, and the action line of the force F1 applied to the draw-shell hook is arranged on the outer side of the draw-shell hook pin, so that the draw-shell hook rotates around the draw-shell hook pin to clasp the cartridge case. The structure has the advantages that the arc at the top of the pull shell hook is in contact with the inclined plane at the tail end of the pull shell hook, when the pull shell hook opens outwards, a friction force F2 is formed on the contact surface, and the self-locking pull shell hook is used for inhibiting the outward opening effect, so that when the pull shell hook spring is designed, the reliable shell holding of the pull shell hook can be ensured without too large spring force. Because the pull-shell hook spring is longitudinally arranged along the axis direction of the gun bolt, the transverse size of the gun bolt is reduced, the structure of the gun bolt is more compact, and the transverse size of the whole gun is reduced. The novel elastic ejection shell gun lifter and the installation method thereof are very suitable for compact guns, particularly for guns reserved for the elastic ejection shell gun lifter and the installation method thereof, and have high popularization value and wide application prospect.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an elasticity is thrown shell and is supported rifle bolt, includes the aircraft nose body to and set up at the bullet end nest on the aircraft nose body, draw the shell hook round pin, draw the shell hook spring, throw the shell very spring, throw the shell very round pin, hit the needle, draw the shell hook to be located the top of bullet end nest, and pass through draw the shell hook round pin to articulate in the aircraft nose body, its characterized in that: the end part of the machine head body is provided with a top hole and a casing-throwing tappet hole, the top hole is positioned right behind the casing-pulling hook, the casing-throwing tappet hole is positioned below the bullet bottom socket and corresponds to the top hole and the casing-pulling hook, and the axial leads of the top hole and the casing-throwing tappet hole are parallel to the axial leads of the bullet bottom socket and the firing pin;
the gun-drawing device is characterized by further comprising a pull-shell hook top, the pull-shell hook top is in clearance fit with the top hole, a pull-shell hook spring is arranged between the pull-shell hook top and the hole bottom of the top hole, the head of the pull-shell hook top is provided with an arc surface, the tail end of the pull-shell hook is provided with an inclined surface, the arc surface of the pull-shell hook top is in contact with the inclined surface of the tail end of the pull-shell hook, the inclined surface of the tail end of the pull-shell hook is in included angle alpha along the horizontal plane, the pull-shell hook top applies positive pressure F1 vertical to the pull-shell hook, and friction resistance F2 outwards along the inclined surface, the positive pressure F1 enables the tail end of the pull-shell hook to rotate outwards, and the friction resistance F2 prevents the pull-shell hook head from expanding to form an incomplete self-locking gun;
the lower end of the projectile shell tappet is provided with a strip-shaped projectile shell tappet notch, and the projectile shell tappet pin transversely penetrates through the projectile shell tappet notch and is positioned in a projectile shell tappet pin hole formed in the machine head body, so that the projectile shell tappet has an axial motion space.
2. The elastic ejection type gun lifter according to claim 1, characterized in that: the head of the top of the pull-shell hook is a hemispherical head to form an arc surface.
3. The elastic ejection type gun lifter according to claim 1, characterized in that: the head of the top of the pull-shell hook is rounded to form an arc surface.
4. The elastic ejection type gun lifter according to claim 1, characterized in that: the position where the arc of the top of the shell pulling hook contacts with the inclined plane of the tail end of the shell pulling hook is positioned on the outer side of the shell pulling hook.
5. The elastic ejection type gun lifter according to claim 1, characterized in that: the top of the pull shell hook is in a stepped shaft shape, and the small-diameter section of the pull shell hook is sleeved in the pull shell hook spring.
6. The elastic ejection type gun lifter according to claim 1, characterized in that: the arc surface of the top of the shell pulling hook is tangent to the inclined plane of the tail end of the shell pulling hook.
7. A method of installing the elastic parabolic case gun lifter of claim 1, comprising the steps of:
s1, mounting a shell pulling hook, a shell pulling hook pin, a shell pulling hook spring and a shell pulling hook top;
s2, sequentially installing the projectile shell tappet spring and the projectile shell tappet into the projectile shell tappet hole of the machine head body, overcoming the spring force of the projectile shell tappet spring, pressing the projectile shell tappet to the installation position, aligning the projectile shell tappet notch with the projectile shell tappet pin hole, and then installing the projectile shell tappet pin to lock the projectile shell tappet;
s3, preparing an installation device, wherein the installation device is cylindrical, the working end of the installation device corresponds to the bullet bottom socket, and an annular groove is formed in the circumferential wall of the working end of the installation device along the circumferential direction;
the working end of the mounting device faces the bullet bottom nest of the machine head body, the annular groove of the mounting device is used for hooking the hook teeth of the pull-shell hook, the mounting device is pulled downwards, the mounting device is made to rotate around the hook teeth of the pull-shell hook, meanwhile, the end face of the working end of the mounting device extrudes the projectile shell support into the projectile shell support hole, and the notch of the projectile shell support is aligned to the projectile shell support pin hole;
s4, continuously pulling the mounting device to the end face of the working end of the mounting device to be attached to the bullet bottom socket mirror face of the machine head body, and knocking the shell throwing tappet into the shell throwing tappet pin hole;
s5, after the projectile shell tappet pin is assembled, the mounting device is taken down, the projectile shell tappet springs outwards under the action of the projectile shell tappet spring until the projectile shell tappet pin locks, and the projectile shell tappet is mounted completely.
8. The method of claim 7, wherein the method comprises the steps of: when the ejection lifter is detached, the annular groove of the mounting device hooks the hook teeth of the pull-out hook, the ejection lifter is pressed into the ejection lifter hole, the ejection lifter pin is knocked out, and the ejection lifter spring are sequentially taken out after the mounting device is taken down.
9. The method of claim 7, wherein the method comprises the steps of: the working end face of the mounting device is provided with a yielding hole for yielding the striker pin.
10. The method of claim 7, wherein the method comprises the steps of: in S1, the method for installing the shell pulling hook, the shell pulling hook pin, the shell pulling hook spring and the shell pulling hook top comprises the following steps:
sequentially loading a shell pulling hook spring and a shell pulling hook top into a top hole of the machine head body, overcoming the spring force of the shell pulling hook spring, completely pressing the shell pulling hook top into the top hole of the machine head body, and pressing the shell pulling hook top to keep the shell pulling hook top in the original position;
placing the pull shell hook in place and locking the pull shell hook through a pull shell hook pin;
and releasing the top of the shell pulling hook to enable the arc surface of the top of the shell pulling hook to be in contact with the inclined surface of the tail end of the shell pulling hook.
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| CN202111095525.4A CN113720204B (en) | 2021-09-17 | 2021-09-17 | Elastic shell throwing gun jack and mounting method thereof |
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| GB191225383A (en) * | 1912-01-19 | 1913-05-08 | Anciens Ets Hotchkiss & Cie | Improvements in Extractors for Machine-guns and other Arms. |
| GB972692A (en) * | 1960-01-20 | 1964-10-14 | Birmingham Small Arms Co Ltd | Improvements in or relating to bolt-action firearms |
| CH580268A5 (en) * | 1973-06-20 | 1976-09-30 | Fn Int Sa Holding | Cartridge ejector for firearm - makes cartridge tilt in slot in breech when pulled backwards by hooked ejector finger |
| US6260297B1 (en) * | 1998-09-22 | 2001-07-17 | Rheinmetal W & M Gmbh | Case ejecting device for a large-caliber barrel weapon |
| US20040055198A1 (en) * | 2002-05-13 | 2004-03-25 | Ugo Gussalli Beretta | Device for extracting and ejecting a cartridge case in a firearm |
| CN1758010A (en) * | 2004-10-06 | 2006-04-12 | 达尔米·彼得罗·贝雷塔股份公司 | Firearm with selection device for right or left-hand cartridge case ejection |
| RU2399010C1 (en) * | 2009-06-08 | 2010-09-10 | Государственное унитарное предприятие "Конструкторское бюро приборостроения" | Firearm |
| US20140075807A1 (en) * | 2011-08-11 | 2014-03-20 | Karl R. Lewis | Firearm bolt |
| CN102679811A (en) * | 2012-05-07 | 2012-09-19 | 重庆建设工业(集团)有限责任公司 | Rigid case ejecting method for short cartridge case firearm |
| US20170261279A1 (en) * | 2012-11-19 | 2017-09-14 | Apex Tactical Specialties, Inc. | Extractor for a firearm |
| US20150059722A1 (en) * | 2013-08-27 | 2015-03-05 | Unicorn Hobby Corporation | Simulated shell-throwing action of toy gun mechanism |
| CN205129775U (en) * | 2015-11-16 | 2016-04-06 | 四川华庆机械有限责任公司 | Rifle bolt formula extractor of ail shooter |
| CN205679130U (en) * | 2016-06-06 | 2016-11-09 | 宏雷科技（北京）有限公司 | A kind of tommy gun of 9 millimeters of bores based on M4 carbine |
| US20200378707A1 (en) * | 2017-07-24 | 2020-12-03 | Textron Systems Corporation | Cartridge extraction with dummy extractor for a cased telescoped ammunition firearm |
| CN209588821U (en) * | 2019-01-30 | 2019-11-05 | 李永良 | A kind of true rifle extractor of simulation for canister shot peashooter and canister shot peashooter |
| CN210833236U (en) * | 2019-10-31 | 2020-06-23 | 卓永年 | Shell throwing structure of toy gun |
| CN213049420U (en) * | 2020-06-18 | 2021-04-27 | 小青鸟文化科技(苏州)有限公司 | Special prop gun casting piston for film and television |
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|---|---|
| CN113720204B (en) | 2023-05-19 |
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