Clutch brake mechanisms

Details Clutch brake mechanisms Clutch brake mechanisms

1979-08-22

1981-11-10

Hershkovitz, Abraham

192 clutches and power-stop control

Clutch and brake

60581, 60591, B60K 4124

Patent

active

042993148

ABSTRACT:
A master cylinder and brake valve assembly for operating the clutch and clutch brake of a heavy road vehicle is arranged such that up to a first given displacement of the master cylinder piston the clutch release mechanism only is connected to the master cylinder and, above a second further given displacement of the piston, the brake actuator only is connected to the master cylinder, there being a step change in thrust applied to the piston between the given displacements.
In a modification, above a third further given displacement of the piston, the brake actuator is reisolated from the master cylinder.

REFERENCES:
patent: 2770948 (1956-11-01), Porter
patent: 3163473 (1964-12-01), Stelzer
patent: 3486337 (1969-12-01), Tenniswood
patent: 3489257 (1970-01-01), Akio Nakano
patent: 3915260 (1975-10-01), Kim
patent: 4139988 (1979-02-01), Adachi
patent: 4175392 (1979-11-01), Morimoto

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