Fluid pressure actuator

Details Fluid pressure actuator Fluid pressure actuator

1988-12-30

1991-05-14

Kwon, John T.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

92 136, 92136, 92 13, F01B 3114, F15B 1524

Patent

active

050145983

ABSTRACT:
A fluid pressure actuator having two connected pistons movable in a cylinder, and having a gear rack associated therewith to engage a pinion attached to the shaft to be rotated. Adjustable travel stops are located on each end of the cylinder to control the position of the actuator at the end of the stroke. Each stop has a pair of stop plates which have ramps on the mating faces such that rotation of one stop plate relative to the other adjusts the thickness of the pair, thereby adjusting the position of the end stop for the piston.

REFERENCES:
patent: 939656 (1909-11-01), Bassett
patent: 3130646 (1964-04-01), Pennington
patent: 3921504 (1975-11-01), Mumford et al.
patent: 4023468 (1977-05-01), Poirier
patent: 4469014 (1984-09-01), Nelson

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