Modular recessed lighting system
US5588737A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1994 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Nov 10, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A recessed light fixture includes a neuter plaster frame with which is attached components to customize the fixture to specific installations. The components include a junction box with a face plate attachable thereto that has different electrical elements mounted thereon, such as transformer and thermal protectors, a ballast mounting plate that fastens onto the plaster frame by an arrangement of legs and spring clips, and a trim ring that accommodates to the thickness of the ceiling. The bulb socket is held in a socket cup that is fitted with different socket holders depending on the size and shape of the socket, and the hanger bars for the supporting the plaster frame in the ceiling are adaptable for mounting on wood joists or metal suspended ceiling grids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.