Illuminated control knob for electric switch

Details Illuminated control knob for electric switch Illuminated control knob for electric switch

1984-06-20

1985-10-22

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Indicators

200310, 200312, 200313, H01H 916

Patent

active

045490503

ABSTRACT:
An electric switch having a pair of light bulbs located in tandem with one light bulb serving to light the outer peripheral edge of a control knob for indicating location of the switch in the dark and the other light bulb serving to light the control knob center for providing a system status.

REFERENCES:
patent: 2109790 (1938-03-01), Batcheller
patent: 2953668 (1960-09-01), Bassett, Jr.
patent: 4359618 (1982-11-01), Stevens

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