Wall washer exhibit light with heat dissipation reflector

Details Wall washer exhibit light with heat dissipation reflector Wall washer exhibit light with heat dissipation reflector

1989-12-11

1990-08-14

Lazarus, Ira S.

Illumination

Elongated source light unit or support

With ventilating or cooling means

362345, 362294, 362373, F21L 2900

Patent

active

049492322

ABSTRACT:
A lighting device for illuminating exhibit, display and work surfaces with a substantially uniform wash of light. The device includes an elongated molded plastic housing having a front opening, a high intensity electric lamp tube positioned centrally within the housing, and an elongated concave metallic light reflector within the housing extending over the length thereof and positioned between the electric lamp and the rear of the housing to reflect light from the lamp outwardly through the front opening of the housing. The reflector has edge portions along its length impinging upon the edges of the housing along its length at its front opening for supporting the reflector. The reflector includes an extension of at least one of its edge portions to provide a strip of reflector metal external of the plastic housing whereby during use of the lighting device heat generated by the lamp within the housing and absorbed by the reflector is conducted thereby to the extension strip of reflector metal and radiated therefrom to maintain the plastic housing of the lighting device at a temperature well below its melting point.

REFERENCES:
patent: 2710336 (1955-06-01), Gorn
patent: 3246137 (1966-04-01), Zagel
patent: 3654471 (1972-04-01), Nilsson

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