Gel scroller assembly for a luminaire

Details Gel scroller assembly for a luminaire Gel scroller assembly for a luminaire

2005-06-07

2005-06-07

Sember, Thomas M. (Department: 2875)

Illumination

Light modifier

Adjustable or positionable

C362S311040, C362S321000, C362S253000

Reexamination Certificate

active

06902302

ABSTRACT:
A cassette containing a gel scroll is releasably attached to the forward portion of a housing of a luminaire. A light path through the cassette is aligned with a light exit opening of the luminaire. A gel scroll is wound upon a pair of drums in the cassette and intersects the light path. The drive motor for the cassette is contained in the housing of the luminaire. A drive system for the drums includes a driven member in the cassette that engages a drive member of the luminaire driven by the motor when the cassette is mounted on the luminaire. A fan in the luminaire moves cooling air through the cassette when the cassette is mounted on the luminaire.

REFERENCES:
patent: 4037097 (1977-07-01), Stillman et al.
patent: 4602321 (1986-07-01), Bornhorst
patent: 4984143 (1991-01-01), Richardson
patent: 5515254 (1996-05-01), Smith et al.
patent: 5904417 (1999-05-01), Hewett
patent: 6113252 (2000-09-01), Arlitt et al.
patent: 2004/0095761 (2004-05-01), Esakoff
patent: WO 92/22769 (1992-12-01), None

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