Brakes – Operators – Multiple
Patent
1980-10-03
1983-02-22
Reger, Duane A.
Brakes
Operators
Multiple
188364, F16D 5124, F16D 6524
Patent
active
043745547
ABSTRACT:
A drum brake (10) includes a light-weight backing plate (12) which carries a pair of brake shoes (44, 46). The backing plate comprises a pair of stamped plates (18,20) having a plurality of radially extending arms (22-28) which cooperate to guide the brake shoes. A hydraulic actuator (68) is carried by the brake shoes to move the shoes into engagement with a brake drum (66). A light-weight dust shield (82) cooperates with the brake drum to inhibit the entry of dirt into the brake. The actuator (68) carries a parking lever (94) and cooperates with the lever to effect a parking brake application responsive to pivoting of the lever. An adjustable strut (62) spaces apart the brake shoes. An automatic adjusting mechanism (106) cooperates with the strut to maintain a substantially constant running clearance between the brake shoes and the brake drum.
REFERENCES:
patent: 2060909 (1936-11-01), Taylor
patent: 2192004 (1940-02-01), Burger
patent: 2296673 (1942-09-01), Hunyady
patent: 2833378 (1958-05-01), Main
patent: 3199639 (1965-08-01), Newton
patent: 3221842 (1965-12-01), Shampton
patent: 4180149 (1979-12-01), Johannesen et al.
Decker Ken C.
Reger Duane A.
Schoenle Paul D.
The Bendix Corporation
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