Lighting arrangement at a refrigerator or freezer cabinet

Details Lighting arrangement at a refrigerator or freezer cabinet Lighting arrangement at a refrigerator or freezer cabinet

1997-03-20

1999-02-23

Lazurus, Ira S.

Illumination

With heater or refrigerator

362 94, 362133, 362125, 362151, F21V 3300

Patent

active

058736468

ABSTRACT:
A lamp (34) for a refrigerator or freezer cabinet is located forwardly and above a horizontal edge (38) of an access opening (16) to a storage space (12) for goods in the cabinet. The lamp (34) illuminates the space (12) through the access opening by means of a reflector (36). The reflector (36) includes a cylindrical part (52) having a semi-elliptical cross-sectional shape. A concave side of the cylindrical part (52) faces the access opening (16). The lamp has a filament (42) which shines in the shape of a line (44) running parallel to the edge (38) and through one (42) of the focal points of the ellipse. The other focal point (58) of the ellipse is located quite close to and outside the edge (38), so that the light from the filament (42) first is reflected by the cylindrical part (52) of the reflector (36) and then passes through the other focal point (58) on its way into the space (12).

REFERENCES:
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patent: 2930885 (1960-03-01), Ehrenfreund
patent: 3609340 (1971-09-01), Habro
patent: 4517631 (1985-05-01), Mullins
patent: 4748543 (1988-05-01), Swarens
patent: 4947292 (1990-08-01), Vlah
patent: 5032958 (1991-07-01), Harwood
patent: 5075827 (1991-12-01), Smith

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