F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
188/193, 188/194
F16D 51/52 (2006.01) F16D 65/14 (2006.01) F16D 65/22 (2006.01) F16D 65/56 (2006.01)
Patent
CA 1112190
DRUM BRAKE HAVING PARKING MECHANISM ABSTRACT OF THE DISCLOSURE A drum brake assembly includes a pair of brake shoes which are movable to a braking position by a hydraulic actuator. In order to maintain the pair of brake shoes adjacent the drum an adjuster is disposed between the pair of brake shoes opposite the hydraulic actuator. The adjuster carries a parking mechanism to manually move the pair of brake shoes to the braking position independently of the hydraulic actuator. The parking mechanism comprises a pair of levers which are pivotally connected to pro- jections on the adjuster and the levers oppose one of the pair of brake shoes such that pivoting of the pair of levers moves the adjuster and the other brake shoe away from the one brake shoe. A spacer and a washer are dis- posed between the one brake shoe and abutment surfaces on each pair of levers and the adjuster movably supports the spacer and the washer.
321443
Bendix Corporation (the)
Macrae & Co.
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