Fluid-driven actuator including an inflatable sac

Details Fluid-driven actuator including an inflatable sac Fluid-driven actuator including an inflatable sac

1992-07-02

1993-07-27

Denion, Thomas E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 89, 92 34, 92 44, F01B 1900

Patent

active

052302768

ABSTRACT:
A fluid-driven actuator including a barrier having narrow openings, an inflatable sac having two portions, a first portion including working surface external to the barrier means, and a second portion compactly folded behind the barrier means, and a movable member positioned for engagement by the working surface of the sac and moved when the sac is inflated and the second portion of the sac is drawn through the narrow openings in the barrier means.

REFERENCES:
patent: 1986273 (1935-01-01), Leffingwell
patent: 3413856 (1968-12-01), Lombardi
patent: 3417942 (1968-12-01), Van Alstyne
patent: 3784255 (1974-01-01), Smock
patent: 4582463 (1986-04-01), Schreiner
patent: 4838147 (1989-06-01), Grishchenko

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