Fastener means utilizing attraction of permanent magnet

Details Fastener means utilizing attraction of permanent magnet Fastener means utilizing attraction of permanent magnet

1989-11-14

1991-02-05

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Having magnetic fastener

2922515, A44B 2100, E05C 1756

Patent

active

049892991

ABSTRACT:
A magnetic fastener means, using a simple to manufacture attraction member made up of a permanent magnet with a through hole and a ferromagnetic plate which has a projection that is interference fitted into the through hole, and an attracted member which has a ferromagnetic plate that contacts the attraction member ferromagnetic plate projection when the fastener is closed.

REFERENCES:
patent: 2861831 (1958-11-01), Loeb
patent: 2901278 (1959-08-01), Robinson
patent: 3159372 (1964-12-01), McIntosh
patent: 3174786 (1965-03-01), Wilson
patent: 4021891 (1977-05-01), Morita
patent: 4310188 (1982-01-01), Aoki
patent: 4453294 (1984-06-01), Morita
patent: 4480361 (1984-11-01), Morita
patent: 4700436 (1987-10-01), Morita

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