Illuminating knob for switch and manufacturing method thereof

Details Illuminating knob for switch and manufacturing method thereof Illuminating knob for switch and manufacturing method thereof

1997-01-31

1999-05-04

Tso, Laura

Illumination

Supported by vehicle structure

Automobile

362 26, 362 31, B60Q 304

Patent

active

058995587

ABSTRACT:
A main body of an illuminating knob is formed as a base made of a transparent resin. An undercoat layer and a topcoat layer are applied on a peripheral surface of the base. A pattern inside eliminating portion is formed in a shape of an indicating pattern as a marked portion by a laser etching or a partial exfoliation of the topcoat layer on the bottom portion. By passing light from a light source provided inside of the knob through the marked portion, an indication via passing through light is achieved.

REFERENCES:
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patent: 5095409 (1992-03-01), Dematteo et al.
patent: 5171080 (1992-12-01), Bathurst
patent: 5432684 (1995-07-01), Fye et al.
patent: 5434757 (1995-07-01), Kashiwagi
patent: 5521342 (1996-05-01), Bartley et al.
patent: 5537300 (1996-07-01), Kraines et al.
patent: 5568367 (1996-10-01), Park
patent: 5641221 (1997-06-01), Schindele et al.
patent: 5642929 (1997-07-01), Ushimaru
patent: 5702078 (1997-12-01), Shaw

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