Lighting system for commercial refrigerator doors
US5471372A · kind A · utility
37Cited by
52References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1993 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Dec 6, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/305
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A commercial refrigerator cabinet is illuminated by fluorescent lamps which are located closely behind insulated glass doors for closing the cabinet. Each lamp is located behind a reflector and is at least partially enclosed by a clear plastic lens having multiple facets on its inner side. The reflector and the lens cause the light emitted from the lamp to reflect and refract in such a manner as to distribute the light substantially uniformly on products located at various distances from the lamp and to reduce glare in the immediate vicinity of the lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.