Electrically actuated electric brake with adjuster

Details Electrically actuated electric brake with adjuster Electrically actuated electric brake with adjuster

1991-06-24

1993-06-15

Oberleitner, Robert J.

Brakes

Operators

Electric and mechanical

188162, 188325, 192 89A, 192 93A, F16D 6534

Patent

active

052190498

ABSTRACT:
A vehicle brake having an electrically powered actuator and a parking brake is provided which, in a preferred embodiment, includes an electric motor with a rotor torsionally associated with the actuator for applying brake shoes, springs for returning the brake shoes to a released position, a first friction plate torsionally associated with the rotor, a second friction plate for selective mating with the first friction plate, torsionally fixed with respect to the rotor, a parking brake actuator, a parking brake shaft powered for rotation by the parking brake actuator, and a cam associated with at least one of the friction plates and the parking brake shaft whereby rotation of the parking shaft translates into relative motion between the friction plates to position the friction plates together to lock or release the vehicle brake.

REFERENCES:
patent: Re19230 (1934-07-01), Apple
patent: 1193008 (1916-08-01), Fuller
patent: 2332743 (1943-10-01), Morris
patent: 4596316 (1986-06-01), Crossman
patent: 4784244 (1988-11-01), Carre et al.
patent: 4850459 (1989-07-01), Johannesen et al.
patent: 4895227 (1990-01-01), Grenier et al.

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