[특허]Gas operated firearm

Gas operated firearm 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F41A-005/10 F41A-003/00
출원번호	US-0957140 (1997-10-24)
발명자 / 주소	Harris Michael R. Taylor James F.
출원인 / 주소	Colt's Manufacturing Company, Inc.
대리인 / 주소	Perman & Green, LLP
인용정보	피인용 횟수 : 111 인용 특허 : 0

초록 ▼

A known gas operated firearm has been modified to be of more compact size and reduced weight while retaining the firepower, the features, and most of the components of its predecessor. A bolt assembly reciprocably mounted in a longitudinal cavity of a receiver assembly for movement between recoil and battery positions has a forwardly facing pressure surface and first and second longitudinally extending coaxial bores. The annular flange of a firing pin is slidable in the second bore and the bolt assembly includes a transversely extending retaining pin engageable by the annular flange to define an aftward terminal position of the firing pin. A recoil assembly includes a pair of tungsten weights mounted in the longitudinal cavity for rectilinear movement with the bolt assembly between the recoil and battery positions and includes means to bias the bolt assembly toward the battery position. A trigger mechanism includes a hammer biased for movement toward the firing position from a cocked position whose recessed face squarely impacts the firing pin. A second transversely extending recess in the hammer face provides clearance for the transversely extended retaining pin. Expanding gases from a cartridge whose bullet has passed a gas port proceeds past the gas port, then through a gas passage tube and against the pressure surface of the bolt assembly for driving the bolt assembly toward the recoil position. The tungsten weights are of a magnitude coordinated with the velocity of the recoil assembly so as to reduce rebound in the battery position of assembly during automatic fire.

대표청구항 ▼

[ What is claimed is:] [1.] In a gas operated firearm having a barrel, a receiver connected to the barrel, a receiver extension connected to a rear end of the receiver, a bolt assembly movably mounted between a battery position and a recoil position in the receiver and receiver extension, a recoil assembly located in the receiver extension behind the bolt assembly and biasing the bolt assembly towards the battery position, the recoil assembly having a body and weights movably located in the body, wherein the improvement comprises:the receiver extension having a length less than six inches and the recoil assembly having only two weights comprised of a high density material, wherein the firearm has a length of less than about twenty-five inches and, during automatic firing, the recoil assembly is adapted to assist in controlling movement of the bolt assembly such that there are minimal cartridge feeding problems and substantially no muzzle climb.

이 특허를 인용한 특허 (111)

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Gomez, Jesus S., Barrel nut assembly and method to attach a barrel to a firearm using such assembly.
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Gomez, Jesus S., Barrel nut assembly and method to attach a barrel to a firearm using such assembly.
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Gomez, Jesus S., Bolt carrier and bolt for gas operated firearms.
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Gomez, Jesus S., Bolt carrier and bolt for gas operated firearms.
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Jarboe, M. Brent, Buttstock assembly.
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Neitzling, Daniel R., Compressible bolt carrier extension system.
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Williams,Charles David, Conversion platform for a .45 ACP pistol.
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Sullivan, Leroy James; McGarry, James; Waterfield, Robert L.; Latulippe, Jr., Paul N., Firearm.
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Brown, Michael J., Firearm assembly including a first weapon and a second weapon selectively mounted to the first weapon.
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Gwinn, Jr., Mack W., Firearm buffer system.
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Gomez, Jesus S., Firearm buffer system and buttstock assembly.
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Gomez, Jesus S., Firearm buffer system and buttstock assembly.
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Gomez, Jesus S., Firearm buffer system and buttstock assembly.
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Brown, Michael J., Firearm having a debris shield.
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Langevin, Kevin, Firearm having a direct gas impingement operating system.
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Langevin, Kevin, Firearm having a direct gas impingement operating system.
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Brown, Michael J., Firearm having a handle assembly for charging.
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Brown, Michael J., Firearm having a handle assembly for charging and forward assist.
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Brown, Michael J., Firearm having a handle assembly for charging and forward assist.
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Brown, Michael J., Firearm having a handle assembly for charging and forward assist.
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Audibert, Kevin; Josey, Michael; Hochstrate, Paul, Firearm having a hybrid indirect gas operating system.
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Audibert, Kevin; Josey, Michael; Hochstrate, Paul, Firearm having a hybrid indirect gas operating system.
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Crommett, Richard Vance, Firearm having a new gas operating system.
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Brown, Michael J., Firearm having an expulsion device.
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Brown, Michael J., Firearm having an indirect gas impingement system.
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Brown, Michael J., Firearm having an indirect gas impingement system.
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Brown, Michael J., Firearm including improved hand guard.
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Brown, Michael J., Firearm including improved hand guard.
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Jackson, Jason Stewart, Firearm operating rod.
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Gomez, Jesus S., Firearm receiver assembly.
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Gomez, Jesus S., Firearm receiver assembly.
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Gomez, Jesus S., Firearm receiver assembly.
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Quis, Tomas, Firearm receiver with extended bridge.
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Sullivan, Leroy James; McGarry, James; Waterfield, Robert Lloyd; Latulippe, Jr., Paul N., Firearm systems and methods.
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Capps, John; DeSomma, Frank, Firearm trigger.
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Capps, John; DeSomma, Frank L., Firearm upper receiver.
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Larson, Jr., Lester C.; Larson, Mark, Firearm with magazine release lever.
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Larson, Jr., Lester C.; Larson, Mark, Firearm with magazine release lever.
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Larson, Jr., Lester C.; Larson, Mark, Firearm with magazine release lever.
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Larson, Jr., Lester C.; Larson, Mark, Firearm with magazine release lever.
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Lemoine, Eric, Firearm with shotgun receiver and stabilizing brace adaptor.
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Kay, Ira, Fixed style of rifle buttstock for carbines and rifles.
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Kenney, Daniel E.; Ronkainen, James W.; Matteson, David O., Gas block.
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Kenney, Daniel E.; Ronkainen, James W.; Matteson, David O., Gas plug retention and removal device.
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Sullivan, Leroy James, Gas regulator system.
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Stone, Jeffrey W., Gas system for firearms.
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Stone, Jeffrey W., Gas vent for firearm.
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Stone, Jeffrey W., Gas vent for firearm.
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Molinari, Gian Mario, Gas-operated firearm.
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Molinari, Gian Mario, Gas-operated firearm.
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Brown, Michael J., Hand guard mounting mechanism.
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Brown, Michael J., Handle assembly for charging a direct gas impingement firearm.
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McPherson,Mathew A., Harmonic damper to dampen firearm vibration.
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Sullivan, Leroy James; Waterfield, Robert Lloyd; Eyssautier, Hyunjung Samuel, High capacity magazine with multiple springs.
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Huang, George, Hinged trigger guard.
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Brown, Michael J., Magazine repair system for firearm.
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Alzamora,Ronny; Heinsohn,John; Donovan,Brian; Russell,Kevin; Foltz,Adam, Mechanical buffer for shouldered weapon.
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Dextraze, Serge; Morin, Sylvain; St. Pierre, Emmanuel; Vallieres, Christian; Durand, Ghyslain; Jarboe, Michael Brent; Baradat, Gregory Phillip; Dennison, Gregory A., Modular firearm stock system.
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Jarboe, Michael Brent; Baradat, Gregory Phillip; Dennison, Gregory A., Modular firearm stock system.
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Jarboe, Michael Brent; Baradat, Gregory Phillip; Dennison, Gregory A., Modular firearm system.
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Fitzpatrick, Richard Mark; Hines, Stephen Charles, Modular gunstock.
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Fitzpatrick, Richard Mark; Hines, Stephen Charles, Modular gunstock.
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Fitzpatrick, Richard Mark; Hines, Stephen Charles, Modular gunstock.
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Fitzpatrick,Richard M.; Hines,Stephen Charles, Modular gunstock.
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Karagias, Theodore, Multi-caliber firearms, bolt mechanisms, bolt lugs, and methods of using the same.
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Karagias, Theodore, Multi-caliber firearms, bolt mechanisms, bolt lugs, and methods of using the same.
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Roscoe R. Stoker, Jr. ; David A. Stoker, Projectile for a small arms cartridge and method for making same.
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Sullivan, Leroy James; Waterfield, Robert Lloyd; Ostrowski, Alan H.; Latulippe, Jr., Paul N.; Eyssautier, Hyunjung Samuel, Quick barrel change firearm.
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Smith, Paul N., Recoil abatement stock with reduced rattle.
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Smith, Paul N., Recoil reducing stock system.
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Smith, Paul N., Recoil reducing stock system.
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Jeffrey A. Hajjar, Recoil spring tube assembly.
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Bentley, James K., Recoil system for the receiver of a firearm.
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DeSomma, Frank L., Reduced weight firearm.
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Stone, Jeffrey W., Replaceable feed ramp.
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Stone, Jeffrey W., Replaceable feed ramp.
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Vincent, Jeff; Venturi, Roger, Replacement stock system for rifle.
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Quis,Tomas, Semi-automatic rifle Sa vz. 58.
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Quis,Tomas, Semi-automatic sporting rifle.
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Theriault, Philip, Shooting system with aim assist.
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Jackson, Jason Stewart, Sleeve piston for actuating a firearm bolt carrier.
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Jackson, Jason Stewart, Sleeve piston for actuating a firearm bolt carrier.
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Troy, Stephen P.; Gray, Thomas; Hewes, David A., Stock assembly and recoil system for a firearm.
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Troy, Stephen P.; Gray, Thomas; Hewes, David A., Stock assembly and recoil system for a firearm.
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Vesligai, Zeljko, Stock assembly with recoil suppression.
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Vesligai, Zeljko, Stock assembly with recoil suppression.
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Vesligaj, Zeljko, Stock assembly with recoil suppression.
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Vesligaj, Zeljko, Stock assembly with recoil suppression.
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Chang, Charles; Chao, Emil, Tool and method for modifying a magazine lock.
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Finn, James, Trigger guard.
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Larson, Mark; Larson, Jr., Lester, Trigger guard.
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Larson, Mark; Larson, Jr., Lester, Trigger guard.
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Larson, Mark; Larson, Jr., Lester, Trigger guard accessory.
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Karagias, Theodore, Trigger mechanism and a firearm containing the same.
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McPherson, Mathew A., Vibration damper.
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McPherson, Mathew A., Vibration damper.
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McPherson, Mathew A., Vibration damper.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Gas operated firearm 원문보기

초록 ▼

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연합인증

Gas operated firearm 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (111)

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