Magnetic jewelry closures with safety features

Details Magnetic jewelry closures with safety features Magnetic jewelry closures with safety features

1991-04-19

1992-03-03

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Having magnetic fastener

24616, A44B 2100

Patent

active

050920197

ABSTRACT:
A jewelry closure includes a pair of magnetic closure members for magnetically engaging together and a mechanical closure which acts as a second closure or safety feature. One or both closure members includes a magnet. A first closure member of the pair is supported by a casing which extends outwardly to receive the second closure member for magnetic engagement of the members. A mechanical closure acts as a safety feature preventing the two members from being readily separated. The mechanical closure may include screw threaded portions on both the casing and the second closure member or may include a push-click mechanism on the casing and second closure member.

REFERENCES:
patent: 807069 (1905-12-01), Geoffroy
patent: 1807293 (1931-05-01), Keller
patent: 2178572 (1939-11-01), Forstner
patent: 2623256 (1952-12-01), Feibelman
patent: 2648884 (1953-08-01), Loofboro
patent: 2654929 (1953-10-01), Feibelman
patent: 2901278 (1959-08-01), Robinson
patent: 3129477 (1964-04-01), Mizuno
patent: 3897288 (1975-07-01), Fayling
patent: 4170809 (1979-10-01), Geldwerth et al.
patent: 4881305 (1989-11-01), Rivera

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