Driving assembly

Details Driving assembly Driving assembly

1976-02-10

1978-02-07

Schwadron, Martin P.

Motors: expansible chamber type

With motive fluid valve

92 44, 92 92, 92140, F15B 1108, F01B 1900

Patent

active

040720861

ABSTRACT:
A driving assembly for moving one unit with respect to another, for instance, a working unit with respect to a frame unit. Preferred practical applications for the driving assembly are lifting platforms or presses. The driving assembly includes a flat, enclosed, flexible container or bladder disposed between the two units. End wall portions of the container comprise the major surface area thereof. When pressure is introduced into the container, the walls thereof bear entirely against opposed bearing portions of the respective units and against a limiting wall. The invention allows for use of a very thin walled container for lifting large loads.

REFERENCES:
patent: 2001744 (1935-05-01), Patterson
patent: 2076071 (1937-04-01), De Bolt
patent: 2673064 (1954-03-01), Patterson
patent: 3004559 (1961-10-01), Warman, Jr.
patent: 3005337 (1961-10-01), El Waziri
patent: 3120205 (1964-02-01), Pfeiffer

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