Automatic adjustor for a brake mechanism

Details Automatic adjustor for a brake mechanism Automatic adjustor for a brake mechanism

1975-10-21

1977-02-08

Blix, Trygve M.

Brakes

Position adjusters

Slack

188 719, F16D 6556

Patent

active

040068021

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. The automatic adjustor includes a differential screw mechanism and one-way brake that operates to effect automatic adjustment in the event of overtravel during brake application.

REFERENCES:
patent: 3547229 (1970-12-01), Pollinger et al.
patent: 3762513 (1973-10-01), Farr
patent: 3774733 (1973-11-01), Farr
patent: 3835961 (1974-09-01), Troester et al.
patent: 3878923 (1975-04-01), Farr
patent: 3885653 (1975-05-01), Farr
patent: 3900085 (1975-08-01), Harrison

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