Luminaire with improved lens structure

Details Luminaire with improved lens structure Luminaire with improved lens structure

1982-06-24

1984-07-24

Nelson, Peter A.

Illumination

Light modifier

Refractor

362309, 362340, 362311, 362329, 362339, 362346, 362375, F21V 500

Patent

active

044620683

ABSTRACT:
A new and improved luminaire combination is disclosed having a novel lens structure formed with a generally horizontal first lens surface and a generally vertical second lens surface with a generally horizontal flange formed on the second lens surface. The first lens surface is designed to refract a beam of light downwardly and outwardly in a predetermined pattern to form a beam having a cross section approximating the predetermined pattern at a predetermined distance below the lens. The second lens surface is designed to diffuse a beam of light outwardly in a direction perpendicular to the second lens surface.

REFERENCES:
patent: 3668381 (1972-06-01), Schwartz
patent: 3721818 (1973-03-01), Stahlhut
patent: 4234912 (1980-11-01), Barnes et al.
patent: 4285034 (1981-08-01), Sullivan
patent: 4368504 (1983-01-01), Sato et al.

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