Method of producing magnetic bodies and the use thereof in magne

Details Method of producing magnetic bodies and the use thereof in magne Method of producing magnetic bodies and the use thereof in magne

1976-12-15

1978-11-28

Bonck, Rodney H.

Locks

Operating mechanism

Using a powered device

70413, E05B 4700

Patent

active

041270177

ABSTRACT:
The invention pertains to magnetically operated locks, and particularly pertains to a magnetic lock using a code device having a low magnetic permeability wherein a small localized portion of the code device surface is magnetized to produce dipoles located at a common surface, the localized magnetized region functioning to position magnetic elements of a lock.

REFERENCES:
patent: 2914746 (1959-11-01), James
patent: 2931953 (1960-04-01), Barney
patent: 2959832 (1960-11-01), Baermann
patent: 3602020 (1971-08-01), Kajita
patent: 3611763 (1971-10-01), Sedley
patent: 3855827 (1974-12-01), Hallman et al.
"Koroseal Flexible Magnetic Strip", 1/66, IPC-1061-1062, pp. 1-8, B. F. Goodrich Industrial Products company.

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