Lighting fixture having an electronic ballast replaceable without rewiring
US6488386B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1999 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Dec 20, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2103/33
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates primarily to a fluorescent lighting fixture having a novel plug-in replaceable electronic ballast that can be replaced without the need of dismantling the installed fixture. In a second embodiment of the present invention, the attachment means is comprised of a ballast housing having a threaded portion that engages the mating threaded indentations found in a recess found in the base of the lighting fixture and is rotatable therein for attachment. This novel attachment and engaging means, thereby reduces the number of components needed for the manufacture of the lighting fixture, concomitantly reducing the assembly time and assembly costs. Alternatively, the attachment means is comprised of a plurality of vanes found typically at the base of the ballast housing as used in a light source apparatus. This attachment means is comprised of a ballast housing having a plurality of vanes that engages the mating threaded indentations found the base of the lighting fixture. The ballast housing is rotatably drawn flat, abutting the surface of the fixture base into a binding frictional engagement. A lamp support bracket, securely attached to the end of the ballast …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.