Lighted switch apparatus

Details Lighted switch apparatus Lighted switch apparatus

2005-11-02

2009-02-10

Enad, Elvin G (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Indicators

C200S315000

Reexamination Certificate

active

07488909

ABSTRACT:
A lighted switch apparatus includes a casing (upper case) that has an opening; an operating part that is movable and has at least a pair of indicators; and a light source that is disposed in the casing (the upper case and a lower case). In this case, the operating knob includes a shaft portion (light-guiding member) composed of a light-guiding member having one end, which is inserted into the opening of the casing to be positioned in the casing and is disposed to face the light source, a knob light guiding part (operating part) having reflecting portions that are provided below the indicators of the operating part and reflects light from the other end of the shaft portion positioned outside of the casing to the indicators, and second reflecting portions that reflect and lead the light from the other end of the shaft portion to the knob light guiding part.

REFERENCES:
patent: 5813519 (1998-09-01), Gotoh
patent: 5826708 (1998-10-01), Finlay
patent: 5850062 (1998-12-01), Botz et al.
patent: 5878870 (1999-03-01), Ohtaki
patent: 6928297 (2005-08-01), Kitamura et al.
patent: 2004-199005 (2004-07-01), None

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