[특허]Modular firearm

Modular firearm 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F41A-003/66 F41A-011/02 F41A-003/84
출원번호	US-0968139 (2015-12-14)
등록번호	US-10101101 (2018-10-16)
발명자 / 주소	Langevin, Kevin Audibert, Kevin
출원인 / 주소	COLT'S MANUFACTURING IP HOLDING COMPANY LLC
대리인 / 주소	Cantor Colburn LLP
인용정보	피인용 횟수 : 0 인용 특허 : 85

초록 ▼

A firearm having a lower receiver is provided. The receiver is adapted to couple with a plurality of upper receivers having different calibers. The lower receiver comprises a receiver extension having an opening therein. A spring is disposed within the opening. A buffer member is provided having a first portion having an end. The buffer member is coupled to the spring within the opening, wherein the buffer member is movable between a first position where the end is within the opening and a second position wherein the end external to the opening.

대표청구항 ▼

1. A firearm comprising: a lower receiver having an extension portion with an opening, the lower receiver being configured to selectively couple with a first upper receiver and a second upper receiver, the first upper receiver sized to receive a first bullet having a first caliber, the second upper receiver sized to receive a second bullet having a second caliber, the second caliber being larger than the first caliber;a buffer assembly disposed at least partially within the opening, the buffer assembly including a biasing member and a buffer member, the buffer member being movable between a first position, a second position and a third position, wherein the buffer member is movable between the first position and the second position when the first upper receiver is coupled to the lower receiver and movable between the first position and the third position when the second upper receiver is coupled to the lower receiver; anda bolt carrier slidably received within the second upper receiver, wherein the bolt carrier of the second upper receiver is configured to interface with a 7.62 mm round and wherein the bolt carrier is configured to operate with the lower receiver, wherein the lower receiver is configured to interface with a bolt carrier of the first upper receiver, wherein the bolt carrier of the first upper receiver is configured to interface with a 5.56 mm round, wherein the buffer is common to the bolt carrier of the first receiver and the bolt carrier of the second receiver, wherein a rear portion of the bolt carrier of the second upper receiver is configured to interface with the extension portion and a center line axis of the rear portion of the bolt carrier of the second upper receiver is offset from a bolt of the bolt carrier of the second upper receiver. 2. The firearm of claim 1, wherein the rear portion of the bolt carrier of the second upper receiver is eccentric with respect to the bolt of the bolt carrier of the second upper receiver. 3. The firearm of claim 1, wherein the center line axis of the rear portion of the bolt carrier of the second upper receiver is closer to the lower receiver relative to a reference datum bolt center line axis as compared to a conventional 7.62 mm bolt carrier when the second upper receiver is secured to the lower receiver. 4. The firearm of claim 1, wherein the rear portion of the bolt carrier of the second upper receiver is configured to interface with portions of the lower receiver that are configured to operate with the bolt carrier of the first upper receiver. 5. The firearm of claim 1, wherein another portion of the bolt carrier of the second upper receiver is configured to interface with portions of the lower receiver that are configured to operate with the bolt carrier of the first upper receiver. 6. The firearm of claim 1, wherein the extension portion of the lower receiver is configured to operate with the bolt carrier of the first upper receiver. 7. The firearm of claim 1, wherein guide surfaces of the bolt carrier of the second upper receiver are offset relative to each other between a front portion and the rear portion of the bolt carrier of the second upper receiver.

이 특허에 인용된 특허 (85)

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Arnett Perry J. (97 S. 100 East Parowan UT 84761), Firearm of interconvertible calibers.
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Kline, Korey; Crockwell, Cole Lyons; Smith, Kevin W.; Palmer, Matthew A., Firearm silencer and methods for manufacturing and fastening a silencer onto a firearm.
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Kahn Harvey R. (Port Jefferson NY), Firearm with interchangeable barrels and ammunition cylinders.
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Kahn Harvey R. (Port Jefferson NY), Firearm with interchangeable barrels and ammunition cylinders.
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Robbins Laurance E., Four position firearm fire control selector.
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Sullivan Leroy J. (Faber Heights SGX), Gas operated, automatic or semi-automatic guns.
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Williams, Nicholas, Integrated rail system and method for making and using same.
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Longueira, Dino C., Interchangeable caliber semi-automatic rifle.
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Luth Randy E., Interchangeable weapon receiver for alternate ammunition.
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Daniel, Marvin C.; Burnsed, Jr., Ashley A., Systems and methods for providing a hand guard and accessory mounting device for a firearm.
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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

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Modular firearm 원문보기

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Modular firearm 원문보기

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