High wattage insulated ceiling lighting fixture
US4910651A · kind A · utility
59Cited by
65References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 1988 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Aug 23, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V23/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An adjustable socket plate member for a recessed ceiling lighting fixture, includes a plate member adapted to receive a lamp socket and a leg member which an elongated slot and a circular aperture which receive a securing member associated with a lamp housing for selective positioning of the plate member within the lamp housing. Furthermore, a rectangular box shaped enclosure is provided for the recessed ceiling lighting fixture to prevent overheating of the fixture by creating an air space between the fixture and any insulation surrounding the fixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.