Illumination – Light source and modifier – Adjustable or repositionable light source or light source...
Patent
1998-05-22
2000-03-14
Spyrou, Cassandra
Illumination
Light source and modifier
Adjustable or repositionable light source or light source...
362285, 362372, 362257, 362269, F21V 2126, F21V 1902
Patent
active
060363371
ABSTRACT:
A lighting fixture having a rotatable lamp assembly including a housing having a rear wall and side walls for forming an interior compartment; the two side walls having first and second arc-shaped track formed therein; and the housing having mounting means for mounting the housing. The lighting fixture further includes a support and control assembly mounted within the interior compartment of the housing, which includes a U-shaped support bracket having upper and lower arc-shaped tracks formed therein. The lighting fixture also includes first and second arc mounting plate members for movably mounting the support and control assembly on the first and second arc-shaped tracks on the two side walls for movement along the first and second arc-shaped tracks. The lamp assembly has a third arc mounting plate member for movably mounting the lamp assembly on the upper and lower arc-shaped tracks of the U-shaped support bracket for movement along the upper and lower arc-shaped tracks. The lamp assembly rotates within the interior compartment of the housing about a virtual center or virtual axis. A first servomotor drives the support and control assembly and a second servomotor drives the lamp assembly which combine to rotate the lamp assembly in a 360.degree. degree circle about a radius of curvature having a center of curvature above the lamp assembly.
REFERENCES:
patent: 3018364 (1962-01-01), Wenman
patent: 5609413 (1997-03-01), Lecluze
Chang Audrey
Spyrou Cassandra
Sutton Ezra
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