Electromagnetic lock

Details Electromagnetic lock Electromagnetic lock

1995-05-16

1996-05-14

Lindsey, Rodney M.

Closure fasteners

Magnetic

335250, E05C 1756

Patent

active

055161669

ABSTRACT:
An electromagnetic lock employs a pre-wound bobbin which is forced onto the E-shaped lamination stack of a magnetic core. The housing is configured in two longitudinal sections which are relatively pivotal to provide access for circuitry within the housing for both an outswinging and an inswinging door lock installation. The electromagnet also employs a circuit to sense the power supply to the electromagnet and to automatically select the operating voltage of the electrical coil.

REFERENCES:
patent: 1996606 (1935-04-01), Ayers
patent: 3221191 (1965-11-01), Cuches et al.
patent: 4390857 (1983-06-01), Kubach
patent: 4840411 (1989-06-01), Sowersby
patent: 5016929 (1991-05-01), Frolov
patent: 5184854 (1993-02-01), Chen
patent: 5376910 (1994-12-01), Geringer et al.

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