Actuator employing a fluid under pressure for the driving in rot

Details Actuator employing a fluid under pressure for the driving in rot Actuator employing a fluid under pressure for the driving in rot

1989-03-09

1991-02-26

Look, Edward K.

Expansible chamber devices

With linkage or transmission engaging portion intermediate...

92130D, 92132, 92120, 92140, 92165R, F01B 900

Patent

active

049953052

ABSTRACT:
An actuator having a tubular body with a cylindrical bore therein within which a piston reciprocates, an output shaft extending into said bore and a linkage for converting the linear movement of the piston into the rotary motion of said shaft. The linkage is contained entirely within said bore. In one form the piston is spring loaded and a spring follower also provides a piston for compressing the spring to permit the force exerted on the piston to be transmitted to the output shaft substantially in its entirety.

REFERENCES:
patent: 4796514 (1989-01-01), Richter

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