Wedge and roller brake actuator

Brakes – Wheel – Transversely movable

Patent

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Details

188 727, F16D 5100

Patent

active

047594292

ABSTRACT:
A wedge and roller actuator, primarily for a vehicle drum brake, has a wedge disposed between opposed tappets with interposed thrust-transmitting rollers. Inwardly directed thrust arising on one of the tappets is transmitted to a fixed surface of the actuator housing either by additional rollers or by one of the rollers. In the latter case, the surface of the housing reacting the inwardly directed force is inclined to the longitudinal axis of the wedge in the opposite direction to the opposed wedge surface.

REFERENCES:
patent: 1848775 (1932-03-01), Girling

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