Hydro-pneumatic brake actuator arranged to maintain a constant b

Details Hydro-pneumatic brake actuator arranged to maintain a constant b Hydro-pneumatic brake actuator arranged to maintain a constant b

1980-07-16

1982-04-06

Reger, Duane A.

Brakes

Position adjusters

Slack

188153R, F16D 6554

Patent

active

043231446

ABSTRACT:
A hydro-pneumatic brake actuator having a friction element positionable by the power piston during the brake application stroke through a lost-motion connection therewith to establish a stop to limit movement of the power piston during a brake release and thereby provide a predetermined brake shoe clearance. In an alternate embodiment, a leaf spring is carried by the friction element to provide a cushioned stop for the power piston to prevent inadvertent displacement of the friction element, by reason of wheel out-of-roundness imparting a "kick-back" force on the power piston.

REFERENCES:
patent: 3837443 (1974-09-01), Clemmons et al.
patent: 3913328 (1975-10-01), Shaffer
patent: 4068746 (1978-01-01), Munechika

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