Rotary actuator having cast piston and arcuate rack bearing

Details Rotary actuator having cast piston and arcuate rack bearing Rotary actuator having cast piston and arcuate rack bearing

F - Mech Eng,Light,Heat,Weapons

16

J

138/85

F16J 1/10 (2006.01) F15B 15/08 (2006.01)

Patent

CA 1264142

ABSTRACT Rotary actuator of the rack and pinion type. The rotary actuator has a rack with a gener- ally 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 sur- face 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 sur- face 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.

509808

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