Push to start dual relay

Details Push to start dual relay Push to start dual relay

1974-09-09

1976-08-31

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

34 53, 335136, H01H 320

Patent

active

039784401

ABSTRACT:
A push to start dual relay having master electrical contacts which are closed when a push button is depressed. The master contacts control the power supplied to a control circuit which, in turn, controls the power supplied to two relays. When the push button is released and either one or both relays are energized, the master contacts remain in the closed position. When the push button is released and both relays are deenergized, however, the master contacts are allowed to open.

REFERENCES:
patent: 3304621 (1967-02-01), Nelson
patent: 3622925 (1971-11-01), Rose
patent: 3733568 (1973-05-01), Prouty et al.
patent: 3832658 (1974-08-01), Hayden

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