CN113804051B - Method for assembling trigger component of submachine gun - Google Patents
Method for assembling trigger component of submachine gun Download PDFInfo
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- CN113804051B CN113804051B CN202111138691.8A CN202111138691A CN113804051B CN 113804051 B CN113804051 B CN 113804051B CN 202111138691 A CN202111138691 A CN 202111138691A CN 113804051 B CN113804051 B CN 113804051B
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- trigger
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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
- F41A11/00—Assembly or disassembly features; Modular concepts; Articulated or collapsible guns
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Abstract
The invention discloses a method for assembling a trigger component of an submachine gun, which can realize convenient and rapid assembly of the trigger component of the submachine gun. The method comprises the following steps: s1, preparing a substitute pin, a choke spring limit rod and a choke spring limit base; s2, installing a choke spring limit base and a choke spring limit rod; s3, installing an assembly sleeve; s4, assembling a trigger component.
Description
Technical Field
The invention relates to the technical field of submachine guns, in particular to a method for assembling a trigger component of a submachine gun.
Background
To improve the ease of assembly of the submachine gun transmitter mechanism, the submachine gun trigger, the single shot sear, the trigger spring and the sear spring need to be preloaded into a trigger assembly by an assembly sleeve.
The method comprises the steps that at present, a submachine gun trigger component is assembled in a freehand mode, a sear spring is firstly placed into a sear spring accommodating hole at the lower part of a single sear, an outer torsion arm of a trigger spring of a flat double-torsion spring structure is arranged into a cylindrical excircle at one side of the single sear, then the sear spring is aligned with a sear spring Rong Huangkong on a trigger, an inner torsion arm of the trigger spring is spanned on the trigger, an outer torsion arm II is lapped on an inner groove of the trigger, and finally an assembling sleeve sequentially penetrates through an assembling sleeve mounting hole of the trigger spring, an assembling sleeve mounting hole of the single sear and an assembling sleeve mounting hole of the other side of the trigger, so that the assembling is completed; the free-hand tool-free assembling process of the trigger component is extremely laborious, the operation difficulty is high, and particularly, the assembling sleeve has a spring force effect and simultaneously needs to sequentially penetrate through three layers of holes, namely, an assembling sleeve mounting hole on the trigger, an assembling sleeve mounting hole on the single-shot sear and an assembling sleeve mounting hole on the other side of the trigger, which are the same as the outer diameter of the small end of the assembling sleeve, so that the free-hand assembling difficulty is high; because the limit hole of the sear spring on the trigger is shallower due to the limit of the internal structural space of the component, the sear spring is very easy to slip from the sear spring limit Kong Kongli of the trigger in the assembly process of aligning the sear spring with the sear spring limit hole on the trigger, so that the sear spring can be completely abandoned before the assembly process, or even if the sear spring is installed, the gesture of the sear spring is incorrect, the normal function cannot be realized, and great difficulty and burden are brought to the assembly operation of an assembler.
Disclosure of Invention
The object of the present invention is to overcome the disadvantages of the prior art and to provide a method for assembling a trigger assembly of a submachine gun which allows for a convenient and quick assembly of the trigger assembly of the submachine gun.
The purpose of the invention is realized in the following way:
a method of assembling a trigger assembly for a submachine gun, the method comprising the steps of:
s1, preparation tool
Preparing a substitute pin, a choke spring limit rod and a choke spring limit base;
the substitute pin is in a straight rod shape and is provided with a conical pointed end, a conical guide section, a right-angle positioning shoulder and an assembling sleeve mounting section which are sequentially arranged;
the stop spring limit rod is in a straight rod shape and is provided with a limit guide section, a limit section and an external thread connecting section which are sequentially arranged;
the two side walls of the choke spring limiting base are correspondingly provided with choke spring abdicating grooves and threaded holes, and the opposite surfaces of the two side walls of the choke spring limiting base are used as positioning surfaces;
s2, installing a choke spring limit base and a choke spring limit rod
The positioning surface of the choke spring limiting base is used for clamping the choke spring limiting base on the trigger, so that the choke spring abdication groove, the threaded hole and the choke spring limiting hole of the trigger are opposite;
then, the limit guide section and the limit section of the choke spring limit rod sequentially pass through the threaded hole of the choke spring limit base, the choke spring limit hole and the choke spring abdication groove on the trigger, so that the external thread connecting section of the choke spring limit rod is matched with the threaded hole of the choke spring limit base, the choke spring limit rod is screwed until the choke spring limit base is attached to the trigger, and the choke spring limit base and the choke spring limit rod are arranged on the trigger;
s3, mounting and assembling sleeve
Sleeving the assembling sleeve on the assembling sleeve mounting section of the substitute pin, so that the small end face of the assembling sleeve is attached to the right-angle positioning shoulder of the substitute pin;
s4, assembling trigger component
Firstly, one end of a choke spring is arranged in a limit guide section and a limit section of a choke spring limit rod and aligned with a choke spring limit hole on a trigger;
then aligning the sear spring Rong Huangkong on the single sear with the sear spring guided and positioned by the sear spring limiting rod, enabling the other end of the sear spring to be installed in a sear spring accommodating hole on the single sear, sleeving a cylindrical spiral inner hole on the first outer torsion arm side of the trigger spring on the cylindrical outer circle on the single sear side, and simultaneously enabling the inner torsion arm of the trigger spring to span the side wall of the trigger, so that two cylindrical spiral inner holes of the trigger spring are aligned with an assembling sleeve installation Kong Cu arranged on the trigger;
then, inserting the conical tip of the surrogate pin from the cylindrical spiral inner hole on the second outer torsion arm side of the trigger spring, sequentially penetrating through the first assembling sleeve mounting hole of the trigger, the cylindrical spiral inner hole of the trigger spring, the assembling sleeve mounting hole of the single-shot sear and the assembling sleeve mounting hole of the trigger until the assembling sleeve step surface on the assembling sleeve is attached to the side surface of the trigger, enabling the two assembling sleeve mounting holes of the trigger, the assembling sleeve mounting hole on the single-shot sear and the cylindrical spiral inner hole of the trigger spring to be aligned by themselves under the guiding and correcting action of the conical guide section of the surrogate pin, and finally guiding the two assembling sleeve mounting holes and the cylindrical spiral inner hole of the trigger spring directly onto the small end outer cylindrical surface of the assembling sleeve;
finally, the substitute pin is pulled out from the assembling sleeve, then the choke spring limiting rod is unscrewed from the choke spring limiting base, and the choke spring limiting base is taken down, so that the assembly of the trigger component is completed.
Preferably, a first transition section is arranged between the conical tip and the conical guide section of the substitute pin, a second transition section is arranged between the conical guide section and the right-angle shaft shoulder, the diameters of the first transition section and the assembly sleeve mounting section are equal to the diameter of the round hole of the assembly sleeve, the diameter of the second transition section is equal to the outer diameter of the small end of the assembly sleeve, and the sum of the axial lengths of the conical tip, the conical guide section and the transition section is larger than the axial length of the assembly sleeve.
Preferably, the thread length of the external thread connecting section of the choke spring limit rod is larger than the thread depth of the thread connecting hole on the choke spring limit base, the sum of the axial lengths of the limit guiding section and the limit section of the choke spring limit rod is not smaller than two thirds of the length of the choke spring, and the diameter is not larger than the diameter of the cylindrical spiral inner hole of the choke spring.
Preferably, the axial length of the assembly sleeve is smaller than the axial length of the assembly sleeve mounting section of the surrogate pin.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the assembling tool substitution pin can position and restrict the assembling sleeve of the trigger component, the conical pointed head and the conical guide section on the assembling tool substitution pin can guide and align the assembling sleeve mounting hole of the single-shot sear and the cylindrical spiral inner hole of the trigger spring step by step and then directly sleeve the assembling sleeve, the assembling tool sear spring limiting rod and the sear spring limiting base reliably position the sear spring in the sear spring limiting hole on the trigger, the problem that the spring is easy to slip in the assembling process due to shallower limiting holes is avoided, and meanwhile the problem that two hands are not enough in the assembling process is solved. The new method for assembling the trigger parts of the submachine gun has the characteristics of simplicity and practicability in the used tool, convenience and rapidness in assembling operation and the like, and particularly, a user of the submachine gun can easily decompose, maintain and assemble the trigger parts after maintenance without special training, the efficiency of the factory assembling operation of the trigger parts and the convenience of daily maintenance operation of gun users can be greatly improved, and the failure rate of the submachine gun is greatly reduced due to improper maintenance. The assembly method has good popularization and practical value in the aspect of firearm maintenance, and good economic and social benefits can be generated after wide popularization and application.
Drawings
FIG. 1 is a three-dimensional schematic view of a tooling surrogate pin used in the embodiments;
FIG. 2 is a schematic overall construction of a tool surrogate pin;
FIG. 3 is a schematic view of a combination of a tool sear spring stop bar and a stop base used in an embodiment;
FIG. 4 is a schematic view of the structure of the tool sear spring stop base;
FIG. 5 is a schematic view of the tool sear spring stop lever;
FIG. 6 is a schematic view of the trigger construction;
FIG. 7 is a schematic view of the trigger spring construction;
FIG. 8 is a schematic illustration of a single shot sear construction;
FIG. 9 is a schematic view of a sear spring structure;
FIG. 10 is a schematic view of an assembled sleeve structure;
fig. 11 a-11 e are schematic views of the assembly steps of the submachine trigger assembly.
Detailed Description
The invention will be further described with reference to the accompanying drawings, wherein the accompanying drawings comprise a 1-substitute pin, a 2-sear spring limit rod, a 3-trigger, a 4-trigger spring, a 5-single sear, a 6-sear spring, a 7-assembly sleeve and an 8-sear spring limit base; the device comprises a conical tip, a conical guide section, a right angle positioning shoulder, a 104-assembling sleeve mounting section, a 105-second transition section, a 106-first transition section, a 201-limit guide section, a 202-limit section, a 203-external thread connecting section, a 301-assembling sleeve mounting hole I, a 302-assembling sleeve mounting hole II, a 303-assembling sleeve limit hole, a 304-assembling sleeve small end cylindrical surface, a 705-assembling sleeve small end cylindrical surface, a 401-assembling sleeve inner cylindrical surface, a 402-assembling sleeve cylindrical spiral inner hole, a 403-assembling sleeve first outer cylindrical surface, a 404-assembling sleeve second outer cylindrical surface, a 501-single-shot assembling sleeve accommodating hole, a 502-single-shot assembling sleeve accommodating cylindrical surface, a 503-single-shot assembling sleeve mounting hole, a 601-assembling sleeve end surface 1, 602-assembling sleeve end surface 2, a 701-assembling sleeve large end surface, a 702-assembling sleeve large end outer cylindrical surface, a 703-assembling sleeve trapezoid surface, a 704-assembling sleeve small end cylindrical surface, a 705-assembling sleeve small end surface, a 801-assembling sleeve upper U-shaped base seat top surface, a U-shaped base seat top surface 803 and a U-shaped positioning groove 803-shaped upper base seat, and a U-shaped upper base seat 803.
Referring to the drawings in the specification, a method of assembling the trigger assembly of an submachine gun, the method comprising the steps of:
s1, preparation tool
The device comprises a substitution pin 1, a choke spring limit rod 2 and a choke spring limit base 8;
the substitution pin 1 is in a straight rod shape and is provided with a conical tip 101, a first transition section 106, a conical guide section 102, a second transition section 105, a right-angle positioning shoulder 103 and an assembling sleeve mounting section 104 (comprising a handle section for holding) which are sequentially arranged from front to back;
the front end of the choke spring limiting rod 2 is a limiting guide section 201, the middle of the choke spring limiting rod is a limiting section 202, an external threaded connecting section 203 and a handle section for holding, and the external threaded connecting section is axially arranged. The diameter of the limit guide section ensures that the limit guide section can be installed into a process hole 304 at the limit hole of the choke spring on the trigger;
the choke spring limit base 8 is U-shaped and is provided with a choke spring abdication groove 804, positioning surfaces 803, 802 and a threaded hole 801 which are sequentially arranged;
s2, installing a choke spring limit base and a choke spring limit rod
The U-shaped part locating surfaces 803 and 802 of the choke spring limit base 8 are clamped into the process hole 304 of the choke spring limit hole on the trigger, then the limit guide section 201 and the limit section 202 of the choke spring limit rod 2 sequentially penetrate through the threaded hole 801 of the choke spring limit base 8 and the choke spring limit hole 303 on the trigger 3, so that the external thread of the choke spring limit rod 2 is arranged on the threaded hole 801 of the choke spring limit base 8, the choke spring limit rod 2 is screwed until the choke spring limit base 8 is tightly attached to the trigger 3, and the choke spring limit base 8 and the choke spring limit rod 2 are arranged on the trigger 3;
s3, mounting and assembling sleeve
The small end round hole of the assembling sleeve 7 passes through the handle section for holding on the substitute pin 1 and is sleeved on the assembling sleeve mounting section 104 of the substitute pin 1, the small end face 705 of the assembling sleeve 7 is attached to the right-angle positioning shoulder 103 of the substitute pin 1, and the assembling sleeve 7 is mounted on the assembling sleeve mounting section 104 of the substitute pin 1;
s4, assembling trigger component
Firstly, one end 601 of the choke spring 6 is arranged in a limit guide section 201 and a limit section 202 of the choke spring limit rod 2 and aligned with a choke spring limit hole 303 on the trigger 3;
then, aligning the sear Rong Huangkong 501 on the single-shot sear 5 with the sear 6 which is guided and positioned by the sear stop lever 2, loading one end 602 of the sear 6 into the sear Rong Huangkong 501 on the single-shot sear 5, loading the cylindrical spiral inner hole 402 on the first outer torsion arm 403 side of the trigger spring into the cylindrical outer circle 502 on the side of the single-shot sear 5, simultaneously, straddling the torsion arm 401 in the trigger 4 on the trigger 3, and roughly aligning the two cylindrical spiral inner holes 402 of the trigger 4 with the axle center of the assembly sleeve mounting hole 301 arranged on the trigger 3;
then, the conical tip 101 of the surrogate pin 1 is inserted from the cylindrical spiral inner hole 402 of the second outer torsion arm 404 of the trigger spring, sequentially passes through the first assembling sleeve mounting hole 301 on the trigger 3, the cylindrical spiral inner hole 402 of the trigger spring 4, the first assembling sleeve mounting hole 503 on the single shot sear 5 and the second assembling sleeve mounting hole 302 of the trigger 3, the two assembling sleeve mounting holes of the trigger 3, the first assembling sleeve mounting hole 503 on the single shot sear 5 and the cylindrical spiral inner hole 402 of the trigger spring 4 are automatically aligned under the guiding and correcting action of the conical guide section 102 on the surrogate pin 1, and finally, the surrogate pin 1 is directly guided onto the small end outer cylindrical surface 704 of the assembling sleeve 7 until the assembling sleeve stepped surface 703 on the assembling sleeve 7 is attached to the side surface on the same side as the first assembling sleeve mounting hole 301 on the trigger 3;
finally, the substitute pin 1 is drawn out from the assembling sleeve 7, then the choke spring limiting rod 2 is unscrewed from the choke spring limiting base 8, and the choke spring limiting base 8 is taken down, so that the assembly of the trigger component is completed.
Referring to fig. 1-10, the substitute pin 1 is in a straight rod shape, and comprises a conical tip 101, a conical guide section 102, a right-angle positioning shoulder 103, an assembling sleeve mounting section 104, a first transition section 106 and a second transition section 105 which are sequentially arranged from front to back. The conical tip 101 of the surrogate pin 1 is used for guiding and correcting when penetrating through the cylindrical spiral inner hole 402 of the trigger spring 4, the first assembling sleeve mounting hole 301 on the trigger 3, the assembling sleeve mounting hole 503 of the single shot sear 5 and the assembling sleeve mounting hole 302 of the trigger 3, the front end of the right-angle positioning shoulder 103 of the surrogate pin 1 is a conical guide section 102, and the rear end is an assembling sleeve mounting section 104; the front end of the choke spring limiting rod 2 is a limiting guide section 201, a limiting section 202 and an external thread connecting section 203 are arranged in the middle, the rear end is a holding part, the threaded connecting section 203 of the choke spring limiting rod 2 is provided with external threads and is fixedly connected with a threaded hole 801 on a choke spring limiting base 8 in a threaded manner, the threaded hole 801 is inserted into an inner hole of a choke spring 6, the positioning is performed in the assembling process of the choke spring 6, an assembling sleeve mounting section 104 of the surrogate pin 1 is used for sleeving an assembling sleeve 7, the assembling sleeve 7 in a trigger component penetrates through an assembling sleeve mounting hole 301 of a trigger 3, an assembling sleeve mounting hole 302, a cylindrical spiral inner hole 402 of the trigger spring 4 and an assembling sleeve mounting hole 503 on the single-shot choke spring 5, the trigger 3, the single-shot choke spring 5 and the trigger spring 4 form key parts of the trigger component, and the outer periphery of the assembling sleeve 7 is in a stepped shaft shape with thin front and thick rear.
A first transition section 106 is arranged between the conical tip 101 and the conical guide section 102 of the surrogate pin 1, a second transition section 105 is arranged between the conical guide section 102 and the right-angle positioning shoulder 103, the diameters of the first transition section 106 and the assembly sleeve mounting section 104 are equal to the inner diameter of the assembly sleeve 7, the diameter of the second transition section 105 is equal to the outer diameter of the thinnest section of the assembly sleeve 7, and the sum of the axial lengths of the conical tip 101, the conical guide section 102, the second transition section 105 and the first transition section 106 is larger than the axial length of the assembly sleeve 7. The axial length of the assembly sleeve 7 is smaller than the axial length of the assembly sleeve mounting section 104. The thread length of the external thread connection section 203 of the choke spring limit rod 2 is larger than the thread depth of the threaded hole 801 on the base, and the sum of the axial lengths of the limit guide section 201 and the limit section 202 of the choke spring limit rod 2 is not smaller than two thirds of the length of the choke spring 6. The labels on the corresponding graph are: d1 =d3=d5, d2=d6, d5=d8, L3 > L5, L4 > L6, L2 > L5, L3 > 2/3L7.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (4)
1. A method of assembling a trigger assembly for a submachine gun, the method comprising the steps of:
s1, preparation tool
Preparing a substitute pin, a choke spring limit rod and a choke spring limit base;
the substitute pin is in a straight rod shape and is provided with a conical pointed end, a conical guide section, a right-angle positioning shoulder and an assembling sleeve mounting section which are sequentially arranged;
the stop spring limit rod is in a straight rod shape and is provided with a limit guide section, a limit section and an external thread connecting section which are sequentially arranged;
the two side walls of the choke spring limiting base are correspondingly provided with choke spring abdicating grooves and threaded holes, and the opposite surfaces of the two side walls of the choke spring limiting base are used as positioning surfaces;
s2, installing a choke spring limit base and a choke spring limit rod
The positioning surface of the choke spring limiting base is used for clamping the choke spring limiting base on the trigger, so that the choke spring abdication groove, the threaded hole and the choke spring limiting hole of the trigger are opposite;
then, the limit guide section and the limit section of the choke spring limit rod sequentially pass through the threaded hole of the choke spring limit base, the choke spring limit hole and the choke spring abdication groove on the trigger, so that the external thread connecting section of the choke spring limit rod is matched with the threaded hole of the choke spring limit base, the choke spring limit rod is screwed until the choke spring limit base is attached to the trigger, and the choke spring limit base and the choke spring limit rod are arranged on the trigger;
s3, mounting and assembling sleeve
Sleeving the assembling sleeve on the assembling sleeve mounting section of the substitute pin, so that the small end face of the assembling sleeve is attached to the right-angle positioning shoulder of the substitute pin;
s4, assembling trigger component
Firstly, one end of a choke spring is arranged in a limit guide section and a limit section of a choke spring limit rod and aligned with a choke spring limit hole on a trigger;
then aligning the sear spring Rong Huangkong on the single sear with the sear spring guided and positioned by the sear spring limiting rod, enabling the other end of the sear spring to be installed in a sear spring accommodating hole on the single sear, sleeving a cylindrical spiral inner hole on the first outer torsion arm side of the trigger spring on the cylindrical outer circle on the single sear side, and simultaneously enabling the inner torsion arm of the trigger spring to span the side wall of the trigger, so that two cylindrical spiral inner holes of the trigger spring are aligned with an assembling sleeve installation Kong Cu arranged on the trigger;
then, inserting the conical tip of the surrogate pin from the cylindrical spiral inner hole on the second outer torsion arm side of the trigger spring, sequentially penetrating through the first assembling sleeve mounting hole of the trigger, the cylindrical spiral inner hole of the trigger spring, the assembling sleeve mounting hole of the single-shot sear and the assembling sleeve mounting hole of the trigger until the assembling sleeve step surface on the assembling sleeve is attached to the side surface of the trigger, enabling the two assembling sleeve mounting holes of the trigger, the assembling sleeve mounting hole on the single-shot sear and the cylindrical spiral inner hole of the trigger spring to be aligned by themselves under the guiding and correcting action of the conical guide section of the surrogate pin, and finally guiding the two assembling sleeve mounting holes and the cylindrical spiral inner hole of the trigger spring directly onto the small end outer cylindrical surface of the assembling sleeve;
finally, the substitute pin is pulled out from the assembling sleeve, then the choke spring limiting rod is unscrewed from the choke spring limiting base, and the choke spring limiting base is taken down, so that the assembly of the trigger component is completed.
2. A method of assembling a trigger assembly for a submachine gun as defined in claim 1 wherein: the diameter of the first transition section and the diameter of the assembly sleeve mounting section are equal to the inner diameter of the assembly sleeve, the diameter of the second transition section is equal to the outer diameter of the small end of the assembly sleeve, and the sum of the axial lengths of the conical tip, the conical guide section, the first transition section and the second transition section is larger than the axial length of the assembly sleeve.
3. A method of assembling a trigger assembly for a submachine gun as defined in claim 1 wherein: the length of the thread of the external thread connecting section of the choke spring limit rod is larger than the depth of the thread connecting hole on the choke spring limit base, and the sum of the axial lengths of the limit guide section and the limit section of the choke spring limit rod is not smaller than two thirds of the length of the choke spring and the diameter is not larger than the diameter of the cylindrical spiral inner hole of the choke spring.
4. A method of assembling a trigger assembly for a submachine gun as defined in claim 1 wherein: the axial length of the assembly sleeve is less than the axial length of the assembly sleeve mounting section of the surrogate pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138691.8A CN113804051B (en) | 2021-11-12 | 2021-11-12 | Method for assembling trigger component of submachine gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138691.8A CN113804051B (en) | 2021-11-12 | 2021-11-12 | Method for assembling trigger component of submachine gun |
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| Publication Number | Publication Date |
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| CN113804051A CN113804051A (en) | 2021-12-17 |
| CN113804051B true CN113804051B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111138691.8A Active CN113804051B (en) | 2021-11-12 | 2021-11-12 | Method for assembling trigger component of submachine gun |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014122B (en) * | 2022-05-20 | 2023-09-12 | 重庆建设工业(集团)有限责任公司 | Method for assembling gauge shaft of submachine gun |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB166580A (en) * | 1919-01-16 | 1921-07-11 | Isaac Newton Lewis | Improvements relating to trigger mechanism of firearms |
| GB166579A (en) * | 1919-01-16 | 1921-07-11 | Isaac Newton Lewis | Improvements relating to automatic guns |
| BE861667A (en) * | 1976-12-11 | 1978-03-31 | Kawaguchiya Firearms | AUTOMATIC RIFLE TRIGGER SYSTEM |
| US4344351A (en) * | 1981-02-02 | 1982-08-17 | Mcqueen Sidney J | Trigger mechanism providing a short burst of fire capability for submachine guns |
| EP0165334B1 (en) * | 1984-06-22 | 1988-04-27 | J.P. SAUER & SOHN GMBH GEGR. 1751 | Trigger mechanism for small arms |
| EP0255550A1 (en) * | 1986-08-06 | 1988-02-10 | Chrobak, Peter | Sub-machine gun |
| ITMI20042167A1 (en) * | 2004-11-11 | 2005-02-11 | Beretta Armi Spa | GUN AND METHOD TO ASSEMBLE A GUN |
| CN202274810U (en) * | 2011-09-15 | 2012-06-13 | 重庆建设工业(集团)有限责任公司 | Trigger structure with adjusting function |
| CN208983938U (en) * | 2018-08-13 | 2019-06-14 | 无锡贝宁机械有限公司 | A kind of easy assembly firing lock for air rifle |
| CN110044205B (en) * | 2019-04-28 | 2020-10-27 | 重庆建设工业(集团)有限责任公司 | Method for assembling stop iron part of pistol |
| CN110057237B (en) * | 2019-04-28 | 2020-09-25 | 重庆建设工业(集团)有限责任公司 | Method for assembling hammer component of pistol |
| TWI689809B (en) * | 2019-05-01 | 2020-04-01 | 和碩聯合科技股份有限公司 | Trigger device and handheld pistol grip using thereof |
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