Magnetic friction device

Details Magnetic friction device Magnetic friction device

1981-05-14

1983-11-22

Church, Craig E.

X-ray or gamma ray systems or devices

Photographic detector support

For movable film or plate

378167, 378173, G03B 4116

Patent

active

044173563

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. Said 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: 2823315 (1958-02-01), Stava

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