Motors: expansible chamber type – Constantly applied motive fluid with controlled venting – Fluid vented through working member
Patent
1987-11-03
1989-01-17
Look, Edward K.
Motors: expansible chamber type
Constantly applied motive fluid with controlled venting
Fluid vented through working member
91 50, 91229, 91321, 91401, 60593, F15B 3102
Patent
active
047981253
ABSTRACT:
This invention pertains to a pneumatic mode under which the structure of a hydraulic system is driven, particularly denoting the pneumatic mode under which a mini air compressor is being used as a means to elevate a hydraulic jack.
This invention makes use of a working lever and a working body attached to the hydraulic mechanism which is compactly closed inside a body to drive the hydraulic lever of the hydraulic mechanism which is compactly closed at the other end of the body to conduct a continuous backward/forward movement which will press against and elevate the hydraulic jack. Such a movement is similar to a continuous backward/forward movement conducted by a piston in a cylinder body. However, the entire structure and effected of this invention is found much better because of its easy fabrication and its function of elevating the hydraulic jack by means of a pneumatic mode, which saves both time and strength and thus meet the requirement of a simple and automatic operation.
REFERENCES:
patent: 2649078 (1953-08-01), Kelly
patent: 2839032 (1958-06-01), Reynolds
patent: 3005444 (1961-10-01), Steibel
patent: 3230839 (1966-01-01), DeGaston
patent: 3307639 (1967-03-01), Wilder et al.
patent: 3960058 (1976-06-01), Berkelius
Chang Fung M.
Chen Wen C.
Hsu Chien C.
Look Edward K.
Rosenberg Morton J.
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