Adjustable lighting device

Details Adjustable lighting device Adjustable lighting device

2009-03-19

2011-11-01

Ton, Anabel (Department: 2875)

Illumination

Light source and modifier

Adjustable or repositionable modifier

C362S249020, C362S235000, C362S640000, C362S646000, C362S311010

Reexamination Certificate

active

08047685

ABSTRACT:
An adjustable lighting device having a main body, a light generation device inserted into a receptacle, a movable lens, a base electrically connected to the light generation device, and an adjustor cover rotatably mounted to and covering the outside of the main body so that rotation of the adjustor cover causes the lens to extend/retract within the receptacle so that the extension/retraction of the lens can be controlled by the rotation of the adjustor cover for realizing focus adjustment.

REFERENCES:
patent: 4398232 (1983-08-01), Elmore
patent: 4398238 (1983-08-01), Nelson
patent: 4429351 (1984-01-01), Petzl et al.
patent: 4449072 (1984-05-01), Osada
patent: 6234649 (2001-05-01), Katougi

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