Holiday control unit

Details Holiday control unit Holiday control unit

1978-12-26

1980-04-15

Hix, L. T.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

H01H 4320

Patent

active

041985761

ABSTRACT:
This unit interrupts normal operation of an electrical circuit energized in cycles by a time clock, for one of the cycles. The unit includes a first means actuable by means of a switch for bypassing the control circuit, at any time when it is desired to interrupt normal operation of the circuit during the next cycle. A second means for bypassing the first means does so if the circuit is energized at the time the switch is closed. A third means bypasses the control circuit when the second means is not actuated and the circuit is not in operation. The second bypassing means turns off if it is on when the time clock next turns off. The third bypassing means turns on when the time clock turns on again, and it returns the circuit to normal operation when the time clock turns off once again.

REFERENCES:
patent: 2848630 (1958-08-01), McNicol et al.

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