Electro-magnetic spring-wound clutch

Details Electro-magnetic spring-wound clutch Electro-magnetic spring-wound clutch

1978-01-03

1980-03-25

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Operators

192 35, F16D 1308, F16D 2710

Patent

active

041946073

ABSTRACT:
Input and output members and a clutch disc are coaxially rotatable relative to each other, the clutch disc being frictionally engageable with the input member. A coil-wound spring is wound around the input member and connected at its ends to the clutch disc and output member. An electromagnetic coil may be energized to attract the clutch disc into frictional engagement with the input member, causing the coil-wound spring to tightly wind around the input member and drivably connect the input member to the output member. A spring means quickly and smoothly disengages the clutch disc from the input member when the coil is de-energized. A plurality of pins extending through the output member and the clutch disc ensure parallel movement of the clutch disc toward and away from the input member.

REFERENCES:
patent: 3808895 (1974-05-01), Fitzwater
patent: 3865222 (1975-02-01), Briar
patent: 4030584 (1977-06-01), Lowery et al.

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