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Linear fluidic actuator

  • US 3,967,809 A
  • Filed: 10/03/1974
  • Issued: 07/06/1976
  • Est. Priority Date: 10/03/1974
  • Status: Expired due to Term
First Claim
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1. A linear fluidic actuator comprising a tubular envelope closed at opposite ends and inflatable from a flat deflated condition to a certain maximum circular diameter, and a flexible inextensible tension means of fixed length carrying said tubular envelope in a position such that the longitudinal axis of the inflated envelope is transverse to the line of action of said tension means, whereas the diametral axis of the deflated envelope lies in a plane paralleling said line of action, one end of said tension means being fixed in position and the other end being movable linearly toward the fixed end responsively to inflation of the tubular envelope from a flat to a circular configuration.

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