Switch

Details Switch Switch

1991-02-13

1992-11-10

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335172, H01H 6702

Patent

active

051631750

ABSTRACT:
A switch which is superior in current limiting performance. The switch comprises a movable contact element having a pair of movable contacts secured thereto, a pair of fixed contacts individually secured to fixed contact elements for individually contacting with the movable contacts, an electromagnetic driving device including a movable iron core, and a first operating rod secured to the movable iron core. An electromagnet is disposed alongside the electromagnetic driving device and includes a movable iron core, and movement of the movable iron core of the electromagnet is transmitted to the movable contact element by way of a transmitting member and a second operating rod. The first and second operating rods are disposed for movement along a common axial line, and movement of the movable iron core of the electromagnetic driving device is transmitted from the first operating rod to the movable contact element either directly or by way of the second operating rod.

REFERENCES:
patent: 4292611 (1981-09-01), Bresson et al.
patent: 4307358 (1981-12-01), Haury et al.
patent: 4470028 (1984-09-01), Vayre et al.
patent: 4975665 (1990-12-01), Ohishi et al.

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