Magnetic switch for attractive latch

Details Magnetic switch for attractive latch Magnetic switch for attractive latch

1979-11-02

1982-01-12

Moore, Richard E.

Closure fasteners

Magnetic

E05C 1756

Patent

active

043101887

ABSTRACT:
A magnetic switch for attractive latch which has an attractive latch including a permanent magnet with a hole in its center, in which a ferromagnetic plate being fixed at its one side surface and a ferromagnetic plate, which has a projection in its center, being installed freely detachable at the other side, and the projection is set to be freely movable inside of the center hole of the permanent magnet, outside surface of the fixed permanent magnet being provided with a switch, which has an insulator, a fixed piece, a movable piece, and an insulator pin, moves corresponding to engaging or disengaging motion of the ferromagnetic plate, and the insulator pin is attached at the center of movable piece and is engaged or disengaged with the projection in the center hole of the permanent magnet.

REFERENCES:
patent: 3426166 (1969-02-01), Canceill
patent: 3431002 (1969-03-01), Melgaard
patent: 4010967 (1977-03-01), Renteria, Jr.
patent: 4021891 (1977-05-01), Morita

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