Brakes – Wheel – Transversely movable
Patent
1997-01-10
1999-03-30
Poon, Peter M.
Brakes
Wheel
Transversely movable
188 7955, F16D 5100
Patent
active
058876871
ABSTRACT:
A brake assembly for vehicles has a back plate with brake shoes and actuating members mounted thereto. A cam shaft and cam member are disposed through a radial extension on the back plate, such that when a brake pedal is depressed an actuator shaft is moved laterally. A linkage member interconnects the actuator shaft and the cam shaft so that linear movement of the actuator shaft is converted into rotational movement of the cam shaft. The cam member is disposed between the brake shoes so that when the cam shaft and cam member move rotationally, the brake shoes are moved radially and into frictional engagement with the brake drum.
REFERENCES:
patent: 2781868 (1957-02-01), House
patent: 3307661 (1967-03-01), Bostwick
patent: 3894620 (1975-07-01), Goldberg
patent: 4484665 (1984-11-01), Svensson
patent: 4981200 (1991-01-01), Gee
patent: 5044475 (1991-09-01), Clark
Poon Peter M.
Tremaine Davis Wright
WHECO Corporation
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