Illuminated rotary switch

Electricity: circuit makers and breakers – Electric switch details – Indicators

Patent

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Details

H01H9/00

Patent

active

059018356

ABSTRACT:
An electrical switch capable of emitting light is composed of a base, a conductive disk, a switching conductive piece, a first, a second, a third and a fourth fastening conductive pieces, a light emitting diode, a cap, and a rotating mechanism. The conductive disk is disposed in a receiving cell of the base such that the conductive disk is fastened with the switching conductive piece. The light emitting element is connected at one end thereof with the first fastening conductive piece and at another end thereof with a pin which is in turn connected with one end of a power source. The power source is connected at another end thereof with the third and the fourth fastening conductive pieces. The rotating mechanism is composed of a rotary piece and a link column capable of actuating the rotary piece to drive the conductive disk so as to cause the switching conductive piece to connect the first fastening conductive piece with the third fastening conductive piece, or to connect the second fastening conductive piece with the fourth fastening conductive piece, thereby causing the light emitting element to unable to emit light when the electrical switch is turned on, and thereby causing the light emitting element to emit light when the electrical switch is turned off.

REFERENCES:
patent: 4506124 (1985-03-01), Rose et al.
patent: 5049709 (1991-09-01), Prickett et al.
patent: 5252794 (1993-10-01), Tseng
patent: 5586645 (1996-12-01), Bartok
patent: 5743387 (1998-04-01), Hung

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