Locks – Special application – For antitheft signaling device on protected article
Patent
1989-04-20
1991-02-19
Gall, Lloyd A.
Locks
Special application
For antitheft signaling device on protected article
247041, 247068, 340572, F16B 2100, G08B 1314
Patent
active
049932454
ABSTRACT:
A reusable security tag for use on merchandise in department stores and like establishments has a housing which confines a locking device, a leaf spring and a signal generator. The locking device can receive the shank of a retaining member having a head which holds a portion of an article of clothing or other merchandise between itself and the housing. The locking device can release the shank by way of the spring in response to deformation of a selected component of the housing, or in response to placing of a magnet adjacent the housing so that the magnet can shift a ferromagnetic member which is reciprocably installed in the housing and can change the position of a reciprocable shaft forming part of the locking device.
REFERENCES:
patent: 2006051 (1935-06-01), Keidel
patent: 3147607 (1964-09-01), Calvano et al.
patent: 3858280 (1975-01-01), Martens
patent: 4221025 (1980-09-01), Martens et al.
patent: 4280256 (1981-07-01), de Jong
patent: 4670950 (1987-06-01), Wisecup et al.
patent: 4685234 (1987-08-01), Anderson et al.
patent: 4745664 (1988-05-01), Damvig et al.
patent: 4847592 (1989-07-01), Esch et al.
Gall Lloyd A.
Kontler Peter K.
Ott Frank
Yokoyama Etsuji
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