Magnetic spring clutch

Details Magnetic spring clutch Magnetic spring clutch

1974-12-04

1976-01-27

Scott, Samuel

192 clutches and power-stop control

Clutches

Operators

192 81, F16D 1900

Patent

active

039346900

ABSTRACT:
A helical clutch spring has one end thereof fixed to a continuously rotating input member of the clutch, and some of the turns of the spring partially envelop a floating magnetic ring secured to a rotatable output member of the clutch. The input and output members are made of nonmagnetic material, and when the clutch's coil is energized, a magnetic flux path passing through the clutch spring and the magnetic ring causes the clutch spring to tighten on the magnetic ring to provide a driving connection between the input and the output members.

REFERENCES:
patent: 2832918 (1958-04-01), Pierce
patent: 3062345 (1962-11-01), Cruzen
patent: 3171523 (1965-03-01), Shoquist
patent: 3177996 (1965-04-01), Bates
patent: 3349880 (1967-10-01), Baer
patent: 3394785 (1968-07-01), Crutcher et al.

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