Brakes – Wheel – Transversely movable
Patent
1989-01-10
1990-07-03
Halvosa, George E. A.
Brakes
Wheel
Transversely movable
192111A, F16D 6556
Patent
active
049383205
ABSTRACT:
A thermal compensating self-adjusting vehicle wheel drum brake apparatus and method is provided including a wheel cylinder, a plate for mounting the wheel cylinder, an adjuster strut with a star wheel for adjustably extending a pair of brake shoes. An adjuster pawl is provided for turning the adjuster star wheel. The adjuster pawl is inserted within an aperture of one of the shoes. A thermal elongating stop extendible at a predetermined temperature contacts and wedges the adjuster pawl to prevent pivotal motion thereof whenever the temperature of the brake is above a predetermined value.
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Brooks, Sr. Frank W.
Hyde Robert W.
General Motors Corporation
Halvosa George E. A.
Helms Ernest E.
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