Fresnel lens illuminator for vacuum cleaner

Details Fresnel lens illuminator for vacuum cleaner Fresnel lens illuminator for vacuum cleaner

1987-12-29

1988-12-20

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

362 91, 362339, A47L 930

Patent

active

047917008

ABSTRACT:
An illumination system for a vacuum cleaner including a thermoplastic injection molded lens which, cooperating with a reflector surface, provides a high level of optical efficiency. The lens includes separate prism and diffusion areas which focus light immediately ahead of the cleaner. The lens and reflector allow a low wattage bulb to be utilized and thereby avoid excessive generation of heat and the requirement for a bulb socket for heat dissipation.

REFERENCES:
patent: 2208523 (1940-07-01), Cullman
patent: 2217174 (1940-10-01), Langille
patent: 2274971 (1942-03-01), White

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