Anti-theft fastening device and tool for releasing same

Details Anti-theft fastening device and tool for releasing same Anti-theft fastening device and tool for releasing same

1975-04-14

1977-03-22

Griffin, Donald A.

Buckles, buttons, clasps, etc.

Cord and rope holders

Pivoted part

70282, 294 655, 361160, A44B 900, E05B 4700, B66C 104, H01H 4700

Patent

active

040128130

ABSTRACT:
A fastening device for securing articles together, the device including releasably connected male and female components. The male component comprises a pin and the female component comprises a retaining insert positioned in a housing for releasably clamping the pin. When joined, the pin can not be separated from the retainer except by a special tool. The insert is of magnetic material, and an actuating tool including an electromagnet is employed to actuate the insert to permit removal of the pin. The housed insert is attached to a tag, with the tag being attached to the article which is to be sold. The tag houses an electrical circuit which activates an alarm if the tag is not properly removed at the checkout point by means of the special tool.

REFERENCES:
patent: 1089755 (1914-03-01), Fischer
patent: 1409815 (1922-03-01), Belknap
patent: 1635144 (1927-07-01), Stevens
patent: 1915566 (1933-06-01), Younghusband
patent: 1958019 (1934-05-01), Reasoner
patent: 2287112 (1942-06-01), Lourie
patent: 2471764 (1949-05-01), Miller et al.
patent: 3101434 (1963-08-01), Kirscha
patent: 3206656 (1965-09-01), Musgrave
patent: 3265941 (1966-08-01), Lory et al.
patent: 3337776 (1967-08-01), Elmi
patent: 3503021 (1970-03-01), DeBruin et al.
patent: 3567045 (1971-03-01), Albright et al.

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