Operating theatre table light

Details Operating theatre table light Operating theatre table light

1984-07-24

1985-05-21

Lechert, Jr., Stephen J.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362 33, 362230, 362232, 362250, 362285, 362286, 362293, 362308, 362309, 362319, 362372, 362418, 362449, 362455, 362804, F21V 900

Patent

active

045190216

ABSTRACT:
The light comprises a cluster of lamp unts (100), pivotally mounted at (6,7), on respective chassis (8) running on a loop track. The lamp units are approximately equidistant from a central axis and illuminate a common patch on the axis. Each chassis (8) is connected to a respective chain (35) which may be driven to move individual chassis (8) along the track, changing the configuration of the cluster. A linkage (26,27,31) enables the lamp unit inclination to be varied and a linkage (12,13,14,16,18 ) enables the relative positions of a bulb (1) and a concave reflector (10) to vary, thereby varying the beam width. The rollers (18) of each unit roll on a surface of a first common hoop and the rollers (31) on a surface of a second common hoop. The hoops are movable enabling the inclination of beamwidth of all the lamp units to be varied simultaneously, changing the patch range or size.

REFERENCES:
patent: 4462067 (1984-07-01), Altman

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