Illuminated switch device

Details Illuminated switch device Illuminated switch device

2011-08-02

2011-08-02

Luebke, Renee S (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

Reexamination Certificate

active

07989722

ABSTRACT:
Disclosed is an illuminated switch device capable of effectively preventing light leakage between different light sources, thereby obtaining a good lighting quality, while reducing the overall size of the switch device. The illuminated switch device includes: a casing that has an open upper end and a partition wall provided therein and is formed on a bottom plate member having light sources and a push switch mounted thereon; and an operating body that has a light-shielding wall provided on the rear surface of an upper plate, is arranged so as to close the open end, and can be pressed. First and second illuminated regions to which light components are emitted from first and second light sources are provided on the upper plate. A protruding portion is formed at a leading end portion of a light-shielding wall, and a concave groove is provided at a leading end portion of a partition wall. The leading end portions are opposite to each other such that they can approach or separate from each other. At least a part of the protruding portion is arranged in the concave groove, and a gap is formed between the leading ends of the protruding portion and the concave portion.

REFERENCES:
patent: 3515835 (1970-06-01), Debras
patent: 5252798 (1993-10-01), Kamada
patent: 7164092 (2007-01-01), Kawano
patent: 7619174 (2009-11-01), Uenomachi et al.
patent: 44 14 981 (1995-11-01), None
patent: 1 758 138 (2007-02-01), None
patent: 2006-252874 (2006-09-01), None
European Search Report issued in corresponding European Patent Application No. 08 01 8396; mailed May 7, 2010.

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