Light assembly with flexed thermoplastic fresnel lens

Details Light assembly with flexed thermoplastic fresnel lens Light assembly with flexed thermoplastic fresnel lens

1984-10-05

1986-03-04

Nelson, Peter A.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362 61, 362189, 362320, 362377, F21V 500

Patent

active

045743380

ABSTRACT:
Herein disclosed is an inexpensive light assembly which is easy to be produced and has aesthetic appearance. The assembly comprises a housing of thermoplastic resin having a convexly curved mouth, an electric bulb disposed in the housing, a lens of thermoplastic resin assuming a flat shape when no external stress is applied thereto, the lens being so constructed as to exhibit its desired optical performance when flexed by a given degree, and means for securing the lens to the mouth of the housing while flexing the same by the given degree.

REFERENCES:
patent: 2920184 (1960-01-01), Kessler
patent: 3188513 (1955-06-01), Hansler
patent: 3711704 (1973-01-01), Spiteri
patent: 3745677 (1973-07-01), Moran
patent: 4439817 (1984-03-01), Aton

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