Combined service and parking brake with automatic adjustor

Details Combined service and parking brake with automatic adjustor Combined service and parking brake with automatic adjustor

1974-02-28

1976-01-27

Halvosa, George E. A.

Brakes

Wheel

Axially movable brake element or housing therefor

188 727, 188196D, F16D 6556

Patent

active

039346846

ABSTRACT:
A combined hydraulically operated service and mechanically operated parking brake of the disk type. The components are arranged to provide an extremely compact assembly that may be fit into existing vehicles. The mechanical actuator includes a roller type cam mechanism with an externally actuated operating lever. The mechanism is constructed to provide a minimum number of seals and a lip type seal is embodied that will provide a ready indication on test if the seals of the hydraulic portion of the brake are defective. An improved automatic adjustor interconnects the mechanical actuator with the piston of the hydraulic brake to adjust for wear of the brake linings.

REFERENCES:
patent: 3331472 (1967-07-01), Swift
patent: 3337008 (1967-08-01), Trachte
patent: 3365029 (1968-01-01), Swift
patent: 3584711 (1971-06-01), Margetts
patent: 3590964 (1971-07-01), Krause
patent: 3638763 (1972-02-01), Laverdant
patent: 3724605 (1973-04-01), Naismith
patent: 3768601 (1973-10-01), Bejot
patent: 3774733 (1973-11-01), Farr
patent: 3809189 (1974-05-01), Farr
patent: 3885653 (1975-05-01), Farr

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