F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
188/77
F16D 65/54 (2006.01) B61H 15/00 (2006.01) F16D 65/14 (2006.01) F16D 65/16 (2006.01)
Patent
CA 1313353
ABSTRACT OF THE DISCLOSURE A hydropneumatic brake actuator having a friction member positionable by a power piston during a brake application stroke through a lost-motion connection therewith to establish a stop to limit return movement of the power piston during a brake release and thereby provide a predetermined brake shoe clearance. The friction member comprises an elastomeric-type O-ring that can be compressed axially to varying degrees, thereby adjusting the radial force that the O-ring exerts on the piston bore.
592272
Fetherstonhaugh & Co.
Westinghouse Air Brake Company
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