Electromagnetic contactor

Details Electromagnetic contactor Electromagnetic contactor

1981-10-30

1983-03-29

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335126, 335131, H01H 5108

Patent

active

043785425

ABSTRACT:
An electromagnetic contactor having a box shaped frame DC solenoid, a plunger with one end attached to a stamped metal bracket which, in turn, is attached to a pusher assembly. The pusher assembly includes the movable contacts. As the solenoid plunger is extended and retracted, the contacts associated with the assembly will engage and disengage in response thereto. The solenoid is mounted in a base and is biased up against the carrier by a curved spring washer. The coil terminals are part of the solenoid and are trapped or contained between guide walls of the base to provide strain relief. The coil terminals are not rigidly attached to the base so as to allow the solenoid to float and to prevent fatigue of the terminals.

REFERENCES:
patent: 2414961 (1947-01-01), Mason et al.
patent: 2782282 (1957-02-01), Schrack
patent: 3278874 (1966-10-01), Fecho et al.
patent: 3327264 (1967-06-01), Rodaway
patent: 3444490 (1969-05-01), Krummel et al.
patent: 3451018 (1969-06-01), Di Marco
patent: 3651437 (1972-03-01), Kiyoshi
patent: 3815060 (1974-06-01), Turnbull
patent: 4003011 (1977-01-01), Hayden

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