Time difference switch

Details Time difference switch Time difference switch

1988-02-22

1989-07-04

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Sequential operations

200508, H01H 900, H01H 1364

Patent

active

048453200

ABSTRACT:
A time difference switch turns on and off two electric circuits, under the operation of a common operating member, with an adequate time difference. The section of the switch that defines a step dimension that facilitates the time difference is relatively short, and for this reason, the likelihood of a change in the predetermined step dimension, i.e., in the time difference, is lessened. Thus, a time difference switch providing a predetermined accurate time difference is provided.

REFERENCES:
patent: 2649520 (1953-08-01), Hartz
patent: 2788419 (1957-04-01), Young
patent: 3809838 (1974-05-01), Coppola
patent: 4129763 (1978-12-01), Murata

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