Fluid-operated servomotor for actuation of clutches or the like

Details Fluid-operated servomotor for actuation of clutches or the like Fluid-operated servomotor for actuation of clutches or the like

1981-05-07

1984-01-24

Garrett, Robert E.

Expansible chamber devices

With releasable latch means between working member and power...

92 30, 92 99, 92101, 403DIG8, 192111A, 192 85V, 188196P, F01B 900

Patent

active

044269153

ABSTRACT:
A servomotor which actuates the throw-out device of a clutch, particularly in an automotive vehicle, has a piston which is reciprocable in a housing and is adapted to be coupled to a reciprocable motion transmitting rod for the throw-out device by a compensating device having cylindrical rollers which establish a motion transmitting connection between the piston and the rod as soon as the piston leaves its starting position in response to evacuation of air from the housing at one side of the piston. The rollers are automatically disengaged from the rod when the piston returns to its starting position so that the rod can be moved by the clutch in a first direction to compensate for wear upon the parts of the clutch or in a second direction to compensate for expansion of one or more friction discs in the clutch.

REFERENCES:
patent: 1975147 (1934-10-01), Hartdorn
patent: 2138169 (1938-11-01), Hunt
patent: 2385517 (1945-09-01), Hunt
patent: 2516018 (1950-07-01), Peterson et al.
patent: 2835366 (1958-05-01), Haussermann
patent: 3016120 (1962-01-01), Haussermann et al.
patent: 3323624 (1967-06-01), Maurice
patent: 4167897 (1979-09-01), Bunyard
patent: 4192220 (1980-03-01), Tateoka

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