Light bulb retention assembly
US6866409B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2003 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Jun 16, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/198
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light bulb retention assembly for an automobile headlight includes an socket with an opening adapted to receive a light bulb, plural holes in the socket and around the opening that each have an end surface with an upper step and a lower step, plural pins that are each in a respective one of the holes, where each of the pins has a head with a first underside part that bears against the upper step and a second underside part that is separated from the lower step by a gap, and a lock ring having plural latching parts that each rotationally fit into a respective gap. The socket has a sealing edge and the plural latching parts mate with the sealing edge to hold a seal therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.