Means including a light distribution louver for the protection o

Details Means including a light distribution louver for the protection o Means including a light distribution louver for the protection o

1980-04-14

1982-02-02

Nelson, Peter A.

Illumination

Light modifier

Reflector

362290, 362360, H02B 1304

Patent

active

043143202

ABSTRACT:
A light distribution louver for a lighting fixture wherein the louver together with supporting apparatus closes at least the bottom of the light fixture. The louver may be of unitary construction or preferably formed of individual louver sections or sectors depending upon the shape of the supporting apparatus. The louver sections or sectors may have fixed or movable vanes and in the case of sections, they may be positioned in a variety of orientations to attain varied light distribution characteristics. The invention further contemplates a structure wherein the supporting apparatus encloses the lighting fixture to afford more complete protection.

REFERENCES:
patent: 1935621 (1933-11-01), Donnelly
patent: 2761058 (1956-08-01), Lipscomb
patent: 3124310 (1964-03-01), Lipscomb
patent: 3333094 (1967-07-01), Steel
patent: 3426189 (1969-02-01), Deputy
patent: 3604922 (1971-09-01), Steel
patent: 4059754 (1977-11-01), Lewin

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