Automatic adjuster for hydraulic brake actuator

Details Automatic adjuster for hydraulic brake actuator Automatic adjuster for hydraulic brake actuator

1980-08-25

1983-04-05

Butler, Douglas C.

Brakes

Wheel

Axially movable brake element or housing therefor

188 719, 188196D, 188 728, F16D 6540

Patent

active

043788637

ABSTRACT:
The adjuster has a clutch mechanism operative between an actuator piston and an auxiliary mechanical actuator. The clutch mechanism includes a first member and a second member, one of the members being connected to the actuator piston for axial movement therewith at all times in both directions and the other of the members being connectible with the mechanical actuator. The one member is free to move back and forth with the actuator piston during normal service brake applications, the other member not hindering its movement. Also, the other member is only moved to engage the one member upon actuation of the mechanical actuator. Thus the actuator piston is free to move back during "knockback" and normal braking is not hindered by the clutch mechanism.

REFERENCES:
patent: 3442357 (1969-05-01), Farr
patent: 3610373 (1971-10-01), Burnett
patent: 3783981 (1974-01-01), Burgdorf
patent: 3952845 (1976-04-01), Asquith
patent: 4180146 (1979-12-01), Airheart

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