Mechanically and hydraulically operated brake actuator

Details Mechanically and hydraulically operated brake actuator Mechanically and hydraulically operated brake actuator

1975-10-31

1977-03-22

Halvosa, George E. A.

Brakes

Wheel

Transversely movable

74110, 74625, 188106F, 188106P, 188343, 188363, 192 75, 192 83, F16D 5122

Patent

active

040131505

ABSTRACT:
In an actuator assembly for a vehicle brake a follower member normally operated by a wedge to apply a brake comprises a pair of hydraulic pistons working in a common bore in a housing, and the housing is provided with a supply port communicating with a pressure space defined between the adjacent ends of the pistons which abut when the wedge is displaced, and with an abutment face with which the innermost piston is engageable when the wedge is in its retracted position and the pressure space is pressurized.

REFERENCES:
patent: 2166804 (1939-07-01), Dick
patent: 2347366 (1944-04-01), Parnell

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