Adjusting mechanism for a disc brake caliper assembly

Details Adjusting mechanism for a disc brake caliper assembly Adjusting mechanism for a disc brake caliper assembly

1976-02-27

1976-11-16

Blix, Trygve M.

Brakes

Wheel

Axially movable brake element or housing therefor

188 727, 188106F, 188196F, F16D 6556

Patent

active

039918599

ABSTRACT:
A disc brake actuating and adjusting mechanism including both hydraulic actuation for service brake operation and mechanical actuation for parking brake operation. The brake apply mechanism is separated from the adjuster mechanism and a ball ramp arrangement is utilized for parking brake actuation. Adjustment is maintained by a spring motor driving an adjusting nut. Brake release results in a net motion of the bolt on which the nut is threaded, separating the nut and the ball ramp output member at a clutch face. The spring motor then runs the nut on the bolt until the clutch face is again tightly engaged. When the brake is mechanically applied, the clutch face is loaded to prevent adjustment. The same lockout arrangement prevents adjusting nut rotation during hydraulic apply.

REFERENCES:
patent: 3243016 (1966-03-01), Swift
patent: 3590964 (1971-07-01), Krause
patent: 3638763 (1972-02-01), Laverdant
patent: 3820635 (1974-06-01), Hunt
patent: 3920103 (1975-11-01), Haraikawa

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