Magnetic spring grip device

Details Magnetic spring grip device Magnetic spring grip device

1975-06-26

1976-08-17

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Operators

192 81C, F16D 2710

Patent

active

039749029

ABSTRACT:
An electromagnetically actuated clutch or the like having a helical spring disposed about the surface of a relatively rotatable drum, and an electromagnet with a fixed annular pole piece closely adjacent the free end coil of the spring. The spring is induced to grip the drum surface by the action of magnetic flux passing from the drum to the spring and thence directly to the polepiece.

REFERENCES:
patent: 3216392 (1965-11-01), Shimanckas
patent: 3315773 (1967-04-01), Aschauer
patent: 3349880 (1967-10-01), Baer

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