[특허]Pneumatic fastener driving apparatus with an improved valve

Pneumatic fastener driving apparatus with an improved valve 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16D-031/02 B25C-001/04
출원번호	US-0701175 (1991-05-16)
발명자 / 주소	Monacelli Umberto (via Parini 6 I-20052 Monza ITX)
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

A pneumatic operated fastener driving device having a trigger valve and an improved main valve with a flexible membrane that controls the flow of compressed air to and from the cylinder. The flexible membrane maintains the main valve close no matter when the tool is connected or disconnect to an air supply line. Further, the main valve including the flexible membrane are designed and constructed to undergo a high number of tool cycles to provide long wear and low maintenance.

대표청구항 ▼

A pneumatic powered fastener driving apparatus, comprising: a) a housing having a compressed air chamber and a cavity; b) a trigger valve selectively coupling said cavity with said compressed air chamber; c) a cylinder disposed within said housing; d) a piston disposed within said cylinder to divide said cylinder into first and second portions and moveable therein between a first home position and a second position remote therefrom; e) a main valve disposed adjacent said first cylinder portion and moveable between a third closed position, wherein said main valve blocks communication between said compressed air chamber and said first cylinder portion and establishes an exhaust path from said first cylinder portion to atmospheric pressure, and a fourth open position, wherein said main valve couples said first cylinder portion to said compressed air chamber and blocks communication between said first cylinder portion and atmospheric pressure; f) a flexible membrane extending between said housing and said main valve and sealing said cavity from said compressed air chamber, said membrane having an outer peripheral portion, said housing holding said outer peripheral portion to permit said membrane to follow the movement of said main valve, said flexible membrane being disposed between said main valve and said cylinder forming an air tight seal therebetween whenever said main valve is in its third closed position, said flexible membrane blocking said exhaust path from said first cylinder portion whenever said main valve is disposed to its fourth open position; g) said trigger valve actuatable to permit the flow of the pressurized air from said cavity disposing said main valve towards its fourth open position whereby said main valve couples said compressed air to said first cylinder portion thus driving said piston towards its second remote position while said main valve supports said membrane to relieve deteriating stresses otherwise applied to said membrane.

이 특허를 인용한 특허 (27)

Taylor,Walter J.; Shkolnikov,Yury; Eckardt,Jeffrey G., Adjustable depth of drive device.
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Schnell, John W.; Wall, Daniel P.; Goodwin, Dan; Rose, Barbara A., Adjustable exhaust assembly for pneumatic fastener.
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Schnell,John W.; Wall,Daniel P.; Goodwin,Dan; Rose,Barbara, Adjustable exhaust assembly for pneumatic fasteners.
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Schnell,John W.; Wall,Daniel Paxton; Goodwin,Daniel U.; Rose,Barbara A., Adjustable exhaust assembly for pneumatic fasteners.
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Yamamoto, Hiroki; Ogawa, Tatsushi; Aihara, Yasunori, Driving tool.
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Terrell,Timothy E.; Smith,Timothy C., Dual mode pneumatic fastener actuation mechanism.
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Terrell,Timothy E.; Smith,Timothy C., Dual mode pneumatic fastener actuation mechanism.
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Turk, Robert L., Fan motor suspension mount for a combustion-powered tool.
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Turk,Robert L., Fan motor suspension mount for a combustion-powered tool.
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Turk,Robert L., Fan motor suspension mount for a combustion-powered tool.
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Prudencio S. Canlas ; Zheng Fang, Fastener driving device with enhanced adjustable exhaust directing assembly.
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Canlas Prudencio S. ; Perron Donald R., Fastener driving device with enhanced depth adjusting assembly.
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Canlas Prudencio S. ; Maguire Paul S. ; Fang Zheng, Fastener driving device with enhanced magazine latch assembly.
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Prudencio S. Canlas ; Donald R. Perron, Fastener driving device with enhanced sequential actuation.
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Etter Mark A. ; Nichols ; Jr. James Pierce ; Schnell John ; Bosten Donald Robert, Internal combustion fastener driving tool.
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Phillips Alan, Internal combustion fastener driving tool accelerator plate.
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Phillips Alan, Internal combustion fastener driving tool intake reed valve.
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Phillips Alan, Internal combustion fastener driving tool piston and piston ring.
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Phillips Alan ; Schnell John, Internal combustion fastener driving tool shuttle valve.
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Yang Brad (Taichung-Hsien TWX), Mounting structure for staple guns.
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Schnell,John W.; Wall,Daniel Paxton; Terrell,Timothy E.; Goodwin,Daniel U.; Rose,Barbara A., Oil free head valve for pneumatic nailers and staplers.
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Terrell, Timothy E., Pneumatic fastener.
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Tanaka Hiroshi,JPX, Pneumatic screw punching machine.
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Burke, Brian C.; Canlas, Jr., Prudencio S.; Simonelli, David J., Pneumatic tool with self-sealing diaphragm valve system.
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Taylor,Walter J.; Shea,Maureen L.; Heinzen,William J.; Purpura,James A.; Walthall,Barry C., Tool-free depth-of-drive adjustment for a fastener-driving tool.
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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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Pneumatic fastener driving apparatus with an improved valve 원문보기

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Pneumatic fastener driving apparatus with an improved valve 원문보기

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이 특허를 인용한 특허 (27)

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