Frictionless journal take-up clutch

Details Frictionless journal take-up clutch Frictionless journal take-up clutch

1985-08-26

1990-03-06

Hornsby, Harvey C.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 1812

Patent

active

049059262

ABSTRACT:
A pair of mating magnetic rings are arranged in a pattern wherein the magnetic fields of the rings act on each other in a manner so that when one ring is rotated, the other ring follows in rotating fashion until a predetermined torque level is reached, after which the other ring will slip in reaction to the opposing field.

REFERENCES:
patent: 539964 (1895-05-01), Spencer
patent: 2290041 (1942-07-01), Gautier
patent: 2481360 (1949-09-01), Sprenger
patent: 3275259 (1966-09-01), Gamberini
patent: 3371883 (1968-03-01), Hoffman et al.
patent: 3429523 (1969-02-01), Busch
patent: 3584250 (1971-06-01), Bottani
patent: 3628713 (1971-12-01), Deproux
patent: 3967790 (1976-07-01), Hess
patent: 4209139 (1980-06-01), Alper
patent: 4247212 (1981-01-01), Wu

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