Magnetic holding device

Details Magnetic holding device Magnetic holding device

1986-07-22

1987-03-24

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

335295, 294 655, H01F 720

Patent

active

046528458

ABSTRACT:
A magnetic holding device to be mounted to a magnetizable surface. It includes a body and a magnet having a pair of poles. A first and a second pole piece are mounted to the body adjacent to the magnet, each forming a continuation of a respective one of the poles. Each pole piece is a plurality of elongated magnetizable members in side to side sliding relationship to one another. They project from the body, and their projection is adjustable and selectable by sliding them. Releasable compression means allows for their relative movement when released, and holds them in an adjusted position when set. As optional features, the pole pieces can be magnetized or not, such as by the use an electromagnet or rotatable magnet, and the compression means may be a cam.

REFERENCES:
patent: 3051875 (1962-08-01), Farwell
patent: 3363209 (1968-01-01), Pevar
patent: 3968986 (1976-07-01), Nagata

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