Rotary actuator having cast piston and arcuate rack bearing
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United States of America Patent
Stats
-
Dec 9, 1986
Grant Date -
N/A
app pub date -
May 31, 1985
filing date -
May 31, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Rotary actuator of the rack and pinion type. The rotary actuator has a rack with a generally cylindrical outer surface having a recess which receives a rack bearing and an arcuate rack bearing which is received in that recess. The rack bearing has an arcuate, convex outer bearing surface and an arcuate concave inner surface which abuts the rack and the rack has a recessed outer surface which conforms in shape to the inner surface of the rack bearing. The rotary actuator may have two racks as shown. The rotary actuator has a pair of floating pistons associated with each rack.
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