Drum brake

Details Drum brake Drum brake

1982-01-11

1984-06-05

Reger, Duane A.

Brakes

Wheel

Transversely movable

188196B, F16D 6558

Patent

active

044523440

ABSTRACT:
The invention relates to a drum brake in which the strut (32, 132, 232) is maintained at an approximately constant distance relative to the brake motor (20, 120, 220). The brake comprises a strut (32, 132, 232) disposed between two brake shoes (12, 112, 212; 14, 114, 214) and maintaining the brake shoes in spaced-apart relationship through a wear compensating device (38, 137, 138, 237, 238). The strut includes an inclined plane (60, 160, 260) cooperating, in proportion to wear of the friction elements (16, 116, 216; 18, 118, 218), with a projection (64, 164, 264) carried by one shoe, the inclined plane approximating an arc of a circle centered on the center of rotation of the associated shoe during wear of the associated friction elements. The invention may be applied to brakes for automotive vehicles.

REFERENCES:
patent: 3118519 (1964-01-01), Swift
patent: 3368648 (1968-02-01), Brownyer
patent: 4121701 (1978-10-01), Gestkoff

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