Magnetically releasable target lock

Details Magnetically releasable target lock Magnetically releasable target lock

1990-01-12

1991-01-29

Smith, Gary L.

Locks

Special application

For antitheft signaling device on protected article

70276, E05B 6500

Patent

active

049877542

ABSTRACT:
A magnetically releasable pin lock which comprises catch elements mounted to pivot about axes perpendicular to and displaced from the pin axis and elongated magnetizable actuation elements which extend from the catch elements along the pin axis to be acted upon by applied magnetic decoupling fields and to move in response to such fields to pivot the catch elements and release the pin.

REFERENCES:
patent: 3911534 (1975-10-01), Martens
patent: 3973418 (1976-08-01), Close
patent: 3995900 (1976-12-01), Humble et al.
patent: 4502717 (1985-03-01), Close
patent: 4590461 (1986-05-01), Cooper
patent: 4603453 (1986-08-01), Yokoyama
patent: 4651136 (1987-03-01), Anderson et al.
patent: 4670950 (1987-06-01), Wisecup et al.
patent: 4722119 (1988-02-01), Green
patent: 4774503 (1988-09-01), Bussard

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