Internal shoe drum brake

Details Internal shoe drum brake Internal shoe drum brake

1993-10-18

1995-03-21

Oberleitner, Robert J.

Brakes

Wheel

Transversely movable

188 7951, F16B 5100

Patent

active

053987900

ABSTRACT:
An internal shoe drum brake has a pair of brake shoes mounted on a backplate with one pair of adjacent shoe ends in sliding engagement with an abutment fixed to or integral with the backplate. An actuator disposed between the other pair of adjacent shoe ends is operable to move the shoes, in use, into braking engagement with the braking surface of the rotary brake drum. At least the actuator or abutment is provided with shoe tip engagement surfaces of arcuate form and the respective engaging shoe tips have a generally complementary arcuate form resulting in a generally even wear pattern for the shoes.

REFERENCES:
patent: 2195261 (1940-03-01), Rasmussen et al.
patent: 2311765 (1943-02-01), Loweke
patent: 3973655 (1976-08-01), Mollard
patent: 4526254 (1985-07-01), Baltare
patent: 5044475 (1991-09-01), Clark
patent: 5159998 (1992-11-01), Copp et al.

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