[특허]Paint ball gun with crack valve

Paint ball gun with crack valve 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F41B-011/06 F41B-011/02
출원번호	US-0532001 (1995-09-21)
발명자 / 주소	Williams Robert A. (2721 White Settlement Rd. Fort Worth TX 76107)
인용정보	피인용 횟수 : 64 인용 특허 : 0

초록 ▼

A bolt having an opening formed therethrough is slidably located in the bore of the gun. The bolt is held in a rear position by a sear with the bolt opening closed by a valve which extends into the bolt opening and engages a rear facing bolt seat. A passageway extends into the bolt opening for allowing pressurized gas to flow into the bolt opening. A trigger mechanism releases the bolt for allowing the bolt to be moved forward for allowing the valve and seat to separate for allowing the gas to flow through the bolt opening for forcing a ball from the rear end of the barrel out of the gun. The valve and bolt are constructed to allow initially a small amount of gas to flow through the gas outlet of the bolt and then to allow the full force of the gas to flow through the gas outlet. This causes the ball to start rolling before the full force of the air impacts the ball thereby minimizing breakage of the ball in the gun barrel.

대표청구항 ▼

A gun for firing balls, comprising: a body having an elongated chamber with a front end and a rear end, a gun barrel supported by said body and having an aperture extending from said front end of said chamber to a forward open end such that said chamber and aperture form a continuous bore, a ball inlet extending into said bore near said front end of said chamber for allowing a ball to enter said bore for movement in said bore forward of said inlet and out of said forward open end of said barrel, a bolt located in said chamber for movement between rear and forward positions, said bolt comprises side wall structure having a rear end and a front end with a central opening extending therethrough, said central opening of said bolt comprising a front opening portion and a rear opening portion with an annular seat located between said front and rear opening portions and facing rearward, in said rear position of said bolt, said front end of said bolt being located rearward of said inlet, a valve member located in said chamber for movement between rear and forward positions, said valve member having a rear end and a forward end with a valve opening extending into said valve member from said rear end to a forward position, said forward end of said valve member being located in said rear opening portion of said bolt with said valve opening being in fluid communication with said rear opening portion of said bolt, said valve member being movable relative to said bolt, said valve member having valve structure adapted to engage said seat of said bolt when said bolt and said valve members are in said rearward positions and form a seal with said seat, stop structure secured to the rear end of said valve member, a stop member located in said rear portion of said chamber for engaging said stop structure of said valve member for limiting forward movement of said valve member, a main channel for allowing pressurized gas to flow into said rear portion of said chamber, through said opening of said valve member and into said rear opening portion of said bolt, a sear for holding said bolt in its rear position, a trigger mechanism for releasing said sear for allowing pressurized gas in said rear portion of said chamber to move said valve member forward for moving said bolt forward for allowing said valve structure and said seat to separate for allowing pressurized gas to flow through said forward opening of said bolt for forcing a ball in said bore out of said forward open end of said gun barrel, and said bolt comprising a first annular chamber extending rearward from said seat and expanding outward to a second annular chamber, said valve structure of said valve comprising a forward surface adapted to engage said seat of said bolt when said bolt and said valve member are in said rearward position and form a seal with said seat, and an annular member extending rearward of said forward surface and adapted to be located in said first annular chamber of said bolt, said valve structure and said bolt being movable relative to each other between a closed position wherein said forward surface engages said seat and a fully open position wherein said forward surface is located in said second annular chamber, said annular member having a diameter sufficient to allow the flow of a relatively small amount of gas from said rear opening of said bolt between said annular member and said first annular chamber and into said front opening as said forward surface of said valve and said seat begin to separate and while said annular member is in said first annular chamber, with the amount of gas flowing from said rear opening of said bolt into said front opening increasing in said fully open position wherein said forward surface is located in said second annular chamber.

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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

Paint ball gun with crack valve 원문보기

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Paint ball gun with crack valve 원문보기

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이 특허를 인용한 특허 (64)

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