Clutch with fail-safe helical spring

Details Clutch with fail-safe helical spring Clutch with fail-safe helical spring

1981-05-04

1983-12-06

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Transversely engaged

192 12BA, 192 37, F16D 1308, F16D 6702

Patent

active

044188110

ABSTRACT:
A helical spring loosely surrounds the input hub of a clutch and is adapted to be wrapped down on the input hub to couple the input hub to an output hub. Wrap down torque is applied to the spring through the tang thereof by an operating spring which acts through an axially shiftable actuator adapted to turn the tang as an incident to being shifted axially by the operating spring. If the tang of the helical spring breaks, the spring automatically unwinds and releases the input hub to effect automatic disengagement of the clutch.

REFERENCES:
patent: 3349880 (1967-10-01), Baer
patent: 3637056 (1972-01-01), Baer
patent: 3685622 (1972-08-01), Baer et al.
patent: 3915268 (1975-10-01), MacDonald
patent: 3978947 (1976-09-01), Modersohn
patent: 4294339 (1981-10-01), Granger et al.
patent: 4330054 (1982-05-01), MacDonald

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