Closure fasteners – Magnetic
Patent
1988-10-28
1990-05-29
Moore, Richard E.
Closure fasteners
Magnetic
E05C 1916
Patent
active
049290053
ABSTRACT:
A device for transferring electric power and/or information between two parts which are movable one with respect to the other, in particular between a door frame and a door leaf or an opening window leaf, mounted in this door frame, comprising a first coil wound on a first magnetic core and a second coil wound on a second magnetic core, the first coil being intended to be connected to an electric power source and to be mounted with its core on one of said parts, the second coil being intended to be mounted with its core on the other part, so that both said cores determine a magnetic circuit in at least one determined position of said parts one with respect to the other in order to so allow a variable electric current travelling in said first coil to induce a variable magnetic flux in both cores, and creates an electric current in the second coil when the latter is connected to a closed electric circuit.
REFERENCES:
patent: Re23636 (1953-03-01), Mark et al.
patent: 1505325 (1924-08-01), Elbert
patent: 2272452 (1942-02-01), Whittle
patent: 3263063 (1966-07-01), Marriott et al.
Moore Richard E.
S.A. Ets. R. Heinen N.V.
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