Device for supporting elongated light fixtures on drawing boards

Details Device for supporting elongated light fixtures on drawing boards Device for supporting elongated light fixtures on drawing boards

1973-10-15

1976-03-16

Hix, L. T.

Buckles, buttons, clasps, etc.

240 73BJ, F21V 3300

Patent

active

039448029

ABSTRACT:
A device for supporting an elongated light fixture on a drawing board mounted for pivoting and sliding movement on the support arm of a bracket by means of spaced bearings secured to the fixture. The bracket is mounted on the back side of the drawing board to effect the required movements for selectively positioning the support arm with the light fixture relative to the work surface of the drawing board.

REFERENCES:
patent: 391122 (1888-10-01), Coursen
patent: 1739320 (1929-12-01), Lloyd
patent: 2131708 (1938-09-01), Lesperance
patent: 2151259 (1939-03-01), Young
patent: 2289471 (1942-07-01), Welter et al.
patent: 2457752 (1948-12-01), Travis
patent: 3108751 (1963-10-01), Rodmaker et al.
patent: 3110446 (1963-11-01), Rathbun

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