[특허]Air mattress with filler check valve and cap therefor

Air mattress with filler check valve and cap therefor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47C-027/08 F16K-015/20
출원번호	US-0016566 (1987-02-19)
발명자 / 주소	Walker Robert A. (108A Commerce Dr. Greer SC 29651)
인용정보	피인용 횟수 : 84 인용 특허 : 0

초록 ▼

An air mattress has a filler check valve connected to an air blower to supply air to the mattress chamber. A holder secured to the air mattress locates the filler check valve in a recessed position relative to an outer wall of the mattress. The filler check valve has a sleeve mounted on the holder and a rod attached to a valve head carrying an annular sealing member. A spring biases the valve head to a closed position wherein annular sealing member engages a beveled face on the inner end of the sleeve. The outer end of the sleeve has a cylindrical collar with internal and external threads. The internal threads of the collar engage external threads of the holder to secure the sleeve on the holder. A cap has an annular flange with internal threads of the collar to close an air passage in the sleeve. Seals located between the collar and sleeve and between the cap and the sleeve inhibit leakage of air from the chamber of the air mattress.

대표청구항 ▼

An air mattress comprising: air impervious wall means surrounding a chamber for accommodating air under pressure, filler check valve assembly for use in selectively supplying air under pressure to said chamber and venting air from said chamber, holder means mounting said filler check valve assembly on said wall means, said holder means having a tubular body and an annular flexible wall joined to the body to locate the check valve assembly in said chamber, and means securing said annular flexible wall to said wall means, said tubular body having a smooth inside cylindrical surface, said surface having a uniform diameter, said valve assembly having a sleeve with an inside tubular surface surrounding an air passage open to said chamber and externally of the air mattress mounted on the tubular body, said sleeve having a smooth outside cylindrical surface having a uniform diameter located in a tight fit relationship with the inside cylindrical surface of the tubular body, said sleeve having a collar to cooperate with the tubular body to mount the sleeve on the body in a tight fit relation with the inside surface of the body, said collar comprising an outwardly directed annular flange secured normally to the sleeve and a cylindrical side wall extending downwardly from the flange, valving means movably mounted on the sleeve operable to open and close the air passage, said valving means including head means located in said chamber engageable with the sleeve to close said passage, a rod secured to said head means projected axially into said passage, a tubular guide joined to said sleeve slidably accommodating said rod, a spider head secured to the rod having outer end portions slidably engageable with the inside tubular surface of the sleeve, biasing means engageable with said tubular guide and spider head for holding the head means in a closed position, said valving means being movable against the force of the biasing means to open said air passage thereby allowing air to flow out of the chamber, and a cap means mounted on the cylindrical side wall of the collar for closing air passage in said sleeve.

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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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연합인증

Air mattress with filler check valve and cap therefor 원문보기

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Air mattress with filler check valve and cap therefor 원문보기

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이 특허를 인용한 특허 (84)

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