Hydropneumatic brake actuator arranged to maintain a constant br

Details Hydropneumatic brake actuator arranged to maintain a constant br Hydropneumatic brake actuator arranged to maintain a constant br

1988-03-03

1988-12-13

Reger, Duane A.

Brakes

Position adjusters

Slack

188196C, F16D 6554

Patent

active

047904151

ABSTRACT:
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.

REFERENCES:
patent: 3115220 (1963-12-01), Cagle
patent: 3186521 (1965-06-01), Chovings
patent: 3559771 (1971-02-01), Crane
patent: 4323144 (1982-04-01), Morris et al.

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