Electromagnetic solenoid

Details Electromagnetic solenoid Electromagnetic solenoid

1996-10-22

1998-10-20

Luebke, Renee S.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335274, 335282, H01F 700

Patent

active

058252703

ABSTRACT:
The solenoid body of an electromagnetic solenoid having a pair of coil terminals to which an exciting coil is connected is movable together with a stopper plate in the direction of the arrow X and in the direction opposite to the direction of the arrow X in a casing. Each of a pair of coil springs of electrically conductive material has one end portion which is pressed against the spring supporting portion of the respective coil terminal, and the other end portion which is pressed against the inner surface of a cover, so that the electromagnetic solenoid and the stopper plate are urged towards a lock position. The coil springs includes external connecting portions to which external connecting wires are connected, so that current is supplied to the exciting coil of the electromagnetic solenoid through the coil springs.

REFERENCES:
patent: 4294286 (1981-10-01), Ohumi
patent: 4986480 (1991-01-01), Llort
patent: 5323133 (1994-06-01), Heath et al.

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