Involute cam actuator with piston drive

Details Involute cam actuator with piston drive Involute cam actuator with piston drive

1989-02-27

1990-10-30

Look, Edward K.

Expansible chamber devices

Plural unitarily mounted cylinders or frame therefor

With casing or support for rotary shaft

92129, 92151, 92146, 92147, 74 55, 74569, F01B 700

Patent

active

049660675

ABSTRACT:
A mechanism for converting linear displacement of a piston to angular displacement of a shaft by positioning a cam in a recess of a unitary piston which is adapted for positioning by differential fluid forces applied to opposite ends of the piston. To provide a linear displacement drive for a shaft positioned to rotate about an axis perpendicular to the axis of the piston, a cam profile consisting of two symmetrical, opposite and identical involutes is employed.

REFERENCES:
patent: 1723874 (1929-08-01), Lunge
patent: 2010377 (1935-08-01), Sassen
patent: 2882831 (1959-04-01), Dannevig

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