Illumination – Supports – Adjustable light support
Patent
1987-11-09
1989-01-03
Lazarus, Ira S.
Illumination
Supports
Adjustable light support
362190, 362287, 362431, F21V 2106, F21V 2126
Patent
active
047961724
ABSTRACT:
A portable light support apparatus has a mobile frame, an electrical junction box mounted at one end of the mobile frame, an elongated support member pivotally mounted at one end by a swivel connector to the junction box for movement toward and away from the frame, and a bracing member which extends between and interconnects the frame and the support member. The support member at its opposite end mounts a high illumination quartz lamp at a location spaced remote from the junction box. The bracing member is extendable for placing the support member in an erected operative condition relative to the frame and the lamp remote from the frame. Also, the bracing member is contractable for placing the support member in a collapsed inoperative transport condition relative to the frame and the lamp adjacent to the frame. The frame is disposed in a generally horizontal position adjacent the ground with the wheels and handle of the frame in contact with the ground when the bracing member is extended to place support member in its erected condition. On the other hand, the frame is disposed in a generally upright position relative to the ground with its wheels in contact with the ground and its handle remote from the ground when the bracing member is contracted to place the support member in its collapsed condition.
REFERENCES:
patent: 1781372 (1930-11-01), Denecke
patent: 4181929 (1980-01-01), Barber et al.
patent: 4220981 (1980-09-01), Koether
patent: 4232357 (1980-11-01), Dietz
patent: 4314319 (1982-02-01), Terry et al.
patent: 4600980 (1986-07-01), Dahlgren
Cole Richard R.
Jacobs Marvin E.
Lazarus Ira S.
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