Magnetic friction device

Details Magnetic friction device Magnetic friction device

1983-07-15

1985-10-01

Stoner, Jr., Bruce H.

Brakes

Elements

Shoes

188 732, 188 80, 188 83, 188267, 192 84PM, F16D 6902

Patent

active

045440484

ABSTRACT:
A magnetic friction device for permitting one machine member to be moved relative to another by applying a predetermined force and for holding one member in a fixed position when the force is discontinued. One member is magnetically susceptible and has a smooth surface interfacing with but slightly spaced from a surface on the other member. The other member's surface has one or more recesses in which there are magnetic disks of a polymer impregnated with magnetic particles. The disks are attracted to the smooth surface to produce a design controlled predetermined frictional force.

REFERENCES:
patent: 1780194 (1930-11-01), Kende
patent: 3085407 (1963-04-01), Tomlinson
patent: 3247017 (1966-04-01), Eichler et al.
patent: 4049985 (1977-09-01), Sudler
patent: 4417356 (1983-11-01), Hoffman

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