Illumination – Revolving
Patent
1989-07-21
1990-04-10
Joyce, Harold
Illumination
Revolving
98 2, 362 26, 362 30, 362 80, 362 96, G01D 1128
Patent
active
049165917
ABSTRACT:
In an illuminated regulating device for operating a ventilation arrangement or the like in a motor vehicle, in the vicinity of a regulating wheel (2, 3) rotatable about its axis are provided several light outlets (13b, 14b) arranged stationarily and at the circumference of the regulating wheel is provided a movable light outlet (11a, 12a). The light outlets (11a, 12a, 13b, 14b) are formed by inserts of clear, rigid plastic and are connected to a common light source (16, 17) by light conducting inserts (11, 12, 13, 14). All stationary light outlets (13b, 14b) are formed at the ends of arms (13a, 14a) of a single-piece light conducting insert (13, 14) with total internal reflection made of clear, rigid plastic, which extends from the light source (16, 17) to the light outlets (13b, 14b). This light conducting insert (13, 14) is provided with a lateral light outlet surface (13d, 14 d) in the region of the axis of rotation (A) of the regulating wheel (2, 3). In the regulating wheel (2, 3) is provided a single-piece light conducting insert (11, 12) with total internal reflection made of clear, rigid plastic, which extends from the movable light outlet (11a, 12a) to the region of the axis of rotation (A), at the radially outer end of which is formed the light outlet (11a, 12a) and at the radially inner end of which is provided a light inlet surface (11b, 12b) extending in a radial plane and opposite the light outlet surface (13d, 14d).
REFERENCES:
patent: 2290278 (1942-07-01), Failla
patent: 2536557 (1951-01-01), Levesque
patent: 2993985 (1961-07-01), Scrabonia
patent: 4800466 (1989-01-01), Bauer
patent: 4823238 (1989-04-01), Bauer et al.
patent: 4841415 (1989-06-01), Dobner
patent: 4845595 (1989-07-01), Fujii et al.
Hoerauf & Kohler KG
Joyce Harold
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