Cooled, externally engaged drum brake

Details Cooled, externally engaged drum brake Cooled, externally engaged drum brake

1975-08-25

1976-11-23

Halvosa, George E. A.

Brakes

Wheel

Transversely movable

188 18R, 188264R, 192 79, 192113A, F16D 4900

Patent

active

039931722

ABSTRACT:
A brake is disclosed for use with motor vehicles and particularly with motor vehicle trailers having heavy axles. The brake includes a brake ring which is connected securely to the wheel hub. At least two brake shoes act on the external peripheral surface of the brake ring. Each brake shoe is mounted on one end of a two-arm lever. The two-arm levers may be mounted on the axle. The other ends of the two-arm levers are actuated by a hydraulic operating device, such as a hydraulic or pneumatic cylinder.

REFERENCES:
patent: 187366 (1877-02-01), Elward
patent: 891267 (1908-06-01), Lafaelle
patent: 2330790 (1943-09-01), Eksergian
patent: 3007352 (1961-11-01), Biedess
patent: 3186516 (1965-06-01), Stump
patent: 3396823 (1968-08-01), Simanek et al.

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