Projector desk lamp

Details Projector desk lamp Projector desk lamp

2007-01-02

2007-01-02

Husar, Stephen F (Department: 2875)

Illumination

Supports

Adjustable light support

C362S419000, C362S427000, C362S428000, C362S430000

Reexamination Certificate

active

10891716

ABSTRACT:
A projector desk lamp employs a base for supporting components of said desk lamp on a flat surface. A stem with one end forming an adjustable articulated joint with said base that can be swung between a horizontal position and a vertical position freely and can be locked in intermediate positions. A lock knob mechanism is used for quickly releasing and locking said stem during adjustment. A bracket is formed on the other end of said stem. A lamp head which is adjustably articulately joined by said bracket can be swung in more than 180 degrees and can be locked in intermediate positions. A lamp head comprises a bulb, a reflector, an adjustable lens assembly and a disc-shaped slide. Therefore, this lamp can be used as a projector for enlarging images of the slide projected on any surface with a selectively adjustable ratio. It can also be used as a desk lamp to illuminate an area with adjustable beam-angle and brightness.

REFERENCES:
patent: 2341223 (1944-02-01), Lillie
patent: 2474484 (1949-06-01), Marchese
patent: 4494177 (1985-01-01), Matthews
patent: 5868487 (1999-02-01), Polley et al.
patent: 6206524 (2001-03-01), Jacob
patent: 6350042 (2002-02-01), Lai

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