Fluid actuator for brakes and clutches and method of manufacturi

Details Fluid actuator for brakes and clutches and method of manufacturi Fluid actuator for brakes and clutches and method of manufacturi

1987-03-06

1988-09-27

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

92 92, 192 91A, F16D 2504

Patent

active

047735198

ABSTRACT:
This invention relates to an annular actuator (10) employing a closed toroidal elastomeric diaphragm (12) including in its interior a flat annular plate (14) adhered on one flat side (18) thereof to the interior peripheral surface (22) of the diaphragm (12). A shaft (114) or support may exit through a central passageway (16) in the center of the diaphragm. Hydraulic fluid is introduced into the actuator (10) to actuate the clutch (80) mechanism as a substitute for a hydraulic cylinder.

REFERENCES:
patent: 1341407 (1920-05-01), Amory
patent: 2155919 (1939-04-01), Gooler
patent: 2307456 (1943-01-01), Fawick
patent: 2626031 (1953-01-01), Fawick
patent: 2688983 (1954-09-01), Bowerman
patent: 3362733 (1968-01-01), Klara
patent: 3584845 (1971-06-01), Hoffman
patent: 3889936 (1975-06-01), Shimizu
patent: 4069904 (1978-01-01), Garrett et al.
patent: 4467484 (1984-08-01), Nagatake
patent: 4591039 (1986-05-01), Lutz et al.
patent: 4624355 (1986-11-01), Mroz

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