Internal shoe drum brake

Details Internal shoe drum brake Internal shoe drum brake

1991-11-06

1993-07-20

Oberleitner, Robert J.

Brakes

Wheel

Transversely movable

188340, 188216, F16D 5100

Patent

active

052285456

ABSTRACT:
An internal shoe drum brake having a generally C-shaped shoe return spring of which an intermediate portion is retained on the backplate and respective end portions respectively engage brake shoes. The intermediate portion of the spring is retained by a retention device secured to the brake backplate and has opposed tongues embracing a portion of the spring in such a manner as to retain the spring relative to the backplate in directions generally parallel to the latter. The retention device also retains the spring in a direction perpendicular to the backplate and may be associated with or embody a mounting device for an electrical component.

REFERENCES:
patent: 2181029 (1939-11-01), Thomas
patent: 3626225 (1971-12-01), Pauwels
patent: 3628008 (1971-12-01), Lacey
patent: 4216850 (1980-08-01), Kizaki
patent: 4762209 (1988-08-01), Copp
patent: 4811821 (1989-03-01), Wrench
patent: 4919239 (1990-04-01), Urban

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