[특허]Disc brake and actuator assembly

Disc brake and actuator assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16D-065/32
출원번호	US-0536427 (1974-12-26)
발명자 / 주소	Houser Raymond E. (Wooster OH)
출원인 / 주소	Rohr Industries, Inc. (Chula Vista CA 02)
인용정보	피인용 횟수 : 29 인용 특허 : 0

초록 ▼

The brake, including a brake housing, is characterized by a housing having an inwardly extending flange forming a pressure chamber with an annular piston slidably positioned in the brake housing, and the annular piston and a secondary piston are operatively associated with opposed sides of the inwardly extending flange to form pressure chambers therewith for individual actions in the brake. Spring means operatively engage the secondary piston for moving the same into operative pressure braking position for fail safe braking operation. Air pressure is supplied to the two pressure chambers or cylinders for controlling brake release and braking action.

대표청구항 ▼

In a wheel braking apparatus including a drive axle, an axle housing, a wheel journalled on said housing, and a brake housing characterized by an annular piston slidaBly positioned in said brake housing and forming a first pressure cylinder with said housing, said wheel having a tubular hub extending into said brake housing and being concentric to a tubular portion thereof, a stack of brake discs alternately keyed to said brake housing and to said hub by spline means, a second piston operatively carried by said annular piston for limited axial movement therewith and in relation thereto, said pistons having axially aligned portions and pressure chambers, said annular piston being positioned for operatively engaging an end of said stack of brake discs to apply compressive pressure thereto, said brake housing having an inwardly extending flange thereon positioned between axially aligned portions of said pistons and forming a wall of both of said pressure chambers, and said annular piston having an axially extending tubular section thereon extending away from said brake discs and being in sealed sliding engagement with said flange, said second piston being slidably mounted on said tubular section, said second piston having a radially inwardly extending shoulder for engaging the end of said tubular section of said annular piston to force it towards said brake discs when said second piston is moved in that direction, said annular piston being independently movable towards said brake discs, spring means positioned between said housing and said second piston to urge said second piston axially to move it and said annular piston into operative engagement with said brake discs, fluid pressure supply means connecting to said first pressure cylinder to advance said annular piston and compress said stack of discs, said housing, housing flange and said tubular section forming said second pressure cylinder, said second piston being positioned in said second pressure cylinder, and fluid pressure means connecting to said second pressure cylinder to move said second piston away from said brake discs against the force of said spring means whereby braking pressure can be provided solely from said first pressure cylinder.

이 특허를 인용한 특허 (29)

Kobelt, Jacob, Adjustable cam actuated brake assembly.
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Windish, Willis E.; Schneider, Marvin L., Annular multi-piston brake apparatus.
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Allen, Kevin M., Asymmetrical energized seal arrangement.
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Kobelt Jacob (6110 Oak St. Vancouver ; British Columbia CAX V6M 2W2), Brake actuating system.
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Besler, Mark J., Brake assembly for final drive.
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Grimm,Raimund; Langenbeck,Bernhard, Brake assembly, particularly for a hydraulic wheel drive.
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Scibbe Harold R. (Chardon OH), Brake system.
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Pearch Dean A. (Mt. Pleasant MI) Pung Thomas F. (Weidman MI), Clutch assembly for a diesel engine blower.
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Crabb Elmer R. (Pekin IL), Combination vehicle service and parking brake.
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Eriksson, Claes; Bodin, Anders, Device for damping pivotal movements of a wheel-supporting pendular arm of a motor vehicle.
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Rancourt Claude (1400 54ieme Rue Nord ; St. Georges Ouest Beauce County ; PQ CAX G5Y 5B7 ) Rancourt Yvon (3901 Chemin Mont Sauvage ; Apt. A-103 St. Adele ; PQ CAX J0R 1L0 ), Disc brake assembly.
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Middelhoven Paul J. (10948 SE Ankeny Portland OR 97216) Albertson Mark J. (14701 S.E. Valencia ; #90 Vancouver WA 98684) Johnson Eric (1525 S.W. Miller Ct. Gresham OR 97080), Fail-safe wheel service brake system.
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Grahl Thomas (Neumunster DEX), Fluid pressure unit with brake means.
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Cumming James C. (Pleasant Ridge MI), Friction brake.
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Kussel Willy (Werne DEX) Bohle Werner (Ldinghausen DEX), Gearing units for use with mining equipment.
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Forsyth Allen P. (Portland OR) Armstrong William E. (Corbett OR), Hydraulic brake release system.
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Grahl Thomas (Bonebuttel DEX), Hydraulic motor.
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Brad P. Shupe, Hydraulic motor with brake assembly.
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White Jeffrey Neil, Motor with symmetric braking system.
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Chojecki Douglas Alan ; Kelley Randy Dean, Multiple actuator brake.
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Cumming James C. (Pleasant Ridge MI), Multiple piston friction brake.
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Bucksch Manfred (Friedrichshafen DEX), Piston-and-cylinder assembly for hydraulic disk clutch or brake.
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Bendtsen, Randall R.; Erp, Jens M.; Fabry, Mark D.; Gustafson, Alan D.; Lyons, Cary J., Self-adjusting braking apparatus.
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Handke Kenneth E. (c/o Electromatic ; Inc. ; 3615 Superior Ave. ; Bldg. 42 Cleveland OH 44114), Torque transmitting apparatus and method.
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Hayden Ronald D. (Eastlake OH), Vehicle brake system.
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Scibbe Harold R. (Chardon OH), Vehicle brake system.
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Rancourt Claude,CAX ITX G5Y 2E1 ; Rancourt Yvon,CAX ITX J7C 3V3, Ventilated brake assembly.
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Rancourt Claude,CAX ITX J7C 3V3 ; Rancourt Yvon,CAX ITX J7C 3V3, Ventilated disc brake.
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Rogier Lonce (Saint Denis FRX) Lavaquerie Jacques (Herblay FRX), Wheel hub with built-in brake.
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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Disc brake and actuator assembly 원문보기

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이 특허를 인용한 특허 (29)

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Disc brake and actuator assembly 원문보기

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이 특허를 인용한 특허 (29)

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