Magnetic work-holder

Details Magnetic work-holder Magnetic work-holder

1988-10-03

1989-06-06

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

335295, H01F 720

Patent

active

048375403

ABSTRACT:
A magnetic holding device, comprising magnetically activable holding surface having pole members of different polarities, and at least a first and a second single-pole extension members for said pole members of opposite polarities. Each pole-extension member comprises a base portion fastened to a pole member and a movable portion sliding on said base portion along an inclined surface the sliding surfaces of said first and second pole-extension members are slanted in opposite angular directions in respect to said holding surface of the device.

REFERENCES:
patent: 3854711 (1974-12-01), Dong
patent: 3895332 (1975-07-01), Box
patent: 4777463 (1988-10-01), Cory

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