This invention relates to devices or tools for changing light tubes in fluorescent light fixtures and more particularly to a tool for changing tubes in a. ceiling mounted fixture by an operator standing on the floor below the fixture.doi:US2658786 AZiese, Carl H...
Device for interchanging fluorescent tubes, by means of which it is possible, in conjunction with telescopic lengthening and the elimination of previously required ladders, stepstools or other climbable equipment, to reach and interchange fluorescent tubes in lamp bodies having different mounts. By ...
Device for Fluorescent Tubes, to Reduce energy consumption without changing the Light Flow.The present Invention relates to a device for LAMP tubes of Gas DischargeReducing consumption by 40 percent of active energy without changing the Luminous Flux Tube on which it has been applied,And it also ...
doi:US3731966 ANAGY SUSUS3731966 May 10, 1971 May 8, 1973 Nagy S Apparatus for changing fluorescent lighting tubes and the like