Timing device and method

Details Timing device and method Timing device and method

1982-09-07

1983-12-06

Scott, J. R.

Electricity: circuit makers and breakers

Retarded

Clock train

H01H 4300

Patent

active

044195486

ABSTRACT:
The present invention demonstrates an apparatus and method for accurately providing electrical current to appliances or the like for selected time periods. The apparatus includes a series of cam wheels which are notched and the arcuate distances between the notches on the periphery of the wheels determine the length of time the current is supplied to said appliance. A plurality of wheels is provided with notches spaced at different intervals to provide the user a variety of selectable time periods.

REFERENCES:
patent: 3287515 (1966-11-01), Godwin
patent: 3371170 (1968-02-01), Thomas et al.
patent: 3500005 (1970-03-01), Brown
patent: 3649783 (1972-03-01), Voland

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