Light tower apparatus

Details Light tower apparatus Light tower apparatus

1990-08-08

1991-07-09

Yeung, James C.

Illumination

Supports

Counterbalanced support

362418, 362431, 2482971, 2481231, F21V 2120

Patent

active

050310852

ABSTRACT:
An apparatus wherein an elongate, vertically aligned mast includes an elongate slot directed through a forward wall of the mast, with a light boom reciprocatably mounted through the mast, with the light boom mounted to an endless cogged belt. The belt in operative association with a series of toothed pulley members, with a lowermost pulley member including a crank handle in operative association therethrough for permitting rotation of the belt organization. An access plate is mounted through a rear wall of the mast to permit selective securement of various light booms and associated lights to the belt, with a lowermost access plate permitting replacement of various counter-balance weights in association with the illumination members.

REFERENCES:
patent: 456859 (1891-07-01), Shank
patent: 1450051 (1923-03-01), Sickles
patent: 2391936 (1946-01-01), Wilson
patent: 3696241 (1972-10-01), Meyer et al.
patent: 3763368 (1973-10-01), Baggott
patent: 3911267 (1975-10-01), Kiehn
patent: 3958116 (1976-05-01), Jones

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