IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0921917
(2013-06-19)
|
등록번호 |
US-8667883
(2014-03-11)
|
발명자
/ 주소 |
- Larson, Mark
- Larson, Jr., Lester
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
15 |
초록
▼
A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment
A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment of these firearm components. The firearm also includes an ambidextrous, non-reciprocating charging handle located forward on the firearm and positioned within the top rail for charging the firearm.
대표청구항
▼
1. A firearm having a gas piston system, the firearm comprising: a lower receiver,an upper receiver mounted to the lower receiver,a barrel mounted to the upper receiver,a handguard surrounding at least part of the barrel,an elongated mounting rail defining a first side and an opposite second side, t
1. A firearm having a gas piston system, the firearm comprising: a lower receiver,an upper receiver mounted to the lower receiver,a barrel mounted to the upper receiver,a handguard surrounding at least part of the barrel,an elongated mounting rail defining a first side and an opposite second side, the upper receiver extending from the second side of the elongated mounting rail,a gas piston housing operatively mounted to the barrel and positioned forward of the upper receiver, the gas piston housing slidably mounted to the second side of the elongated mounting rail,a piston and rod assembly operatively mounted to the gas piston housing and positioned above the barrel, the piston and rod assembly operatively connected to a bolt carrier disposed in the upper receiver, anda charging handle operatively connected to the bolt carrier,wherein the elongated mounting rail extends above and across and mounts and aligns the gas piston housing and piston and rod assembly. 2. The firearm of claim 1, wherein the elongated mounting rail aligns the gas piston housing to the upper receiver. 3. The firearm of claim 1, further comprising a guide rod base mounted to an end of the rod. 4. The firearm of claim 1, further comprising an elongated tube mounted within the upper receiver and connected to the bolt carrier, the elongated tube configured to receive the rod and a coiled spring. 5. The firearm of claim 1, wherein the first side of the mounting rail is configured to mount firearm accessories, including lights and optics. 6. The firearm of claim 5, wherein the first side of the mounting rail comprises a series of ridges each defining a T-shaped cross-section, and wherein the ridges are interspersed with flat spacing slots. 7. The firearm of claim 1, wherein the charging handle is ambidextrous, includes foldable ears and is mounted to the second side of the elongated rail. 8. The firearm of claim 7, wherein the charging handle is non-reciprocating. 9. The firearm of claim 7, where in the charging handle is positioned above the handguard and between the upper receiver and gas piston housing. 10. The firearm of claim 1, wherein the upper receiver is slidably mounted to the second side of the elongated mounting rail. 11. The firearm of claim 10, wherein the upper receiver and gas piston housing are slidably mounted to the second side of the elongated mounting rail through a dovetail connection. 12. The firearm of claim 10, wherein the upper receiver and gas piston housing are slidably mounted to the second side of the elongated mounting rail through a tongue and groove connection. 13. The firearm of claim 1, further comprising a foldable stock mounted to an end of the upper receiver. 14. The firearm of claim 1, wherein the bolt carrier defines two dovetail cuts in a top portion of the bolt carrier. 15. The firearm of claim 1, wherein the charging handle is mounted to a channel formed in the second side of the elongated mounting rail and will slide along the second side of the rail. 16. The firearm of claim 1, wherein the gas piston housing defines a first opening for receiving the barrel and for permitting the barrel to pass through the gas piston housing, and wherein the gas piston housing defines a second opening positioned above the first opening for receiving a gas regulator. 17. The firearm of claim 1, wherein the piston and rod assembly further defines a guide rod that is operatively connected at one end to a piston and is further connected at a second end to a guide rod base, and wherein a coiled spring is positioned around the guide rod along a majority of the length of the rod. 18. The firearm of claim 17, further comprising an operating rod housing operatively connected to the guide rod base, wherein the operating rod housing defines an elongated tube with a through passageway that receives the guide rod and spring. 19. The firearm of claim 18, wherein the elongated tube defines an exterior surface that is shaped to match an interior channel formed in the upper receiver. 20. The firearm of claim 19, wherein the elongated tube defines an end that serves as the striking point for the piston during operation of the firearm.
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