Electric lamp with flexible cover holder
US4774432A · kind A · utility
4Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1988 |
| Grant date | Sep 27, 1988 |
| Priority date | — |
| Expiry date | Jan 6, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01K1/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved electric lamp wherein a flexible cover holder is utilized to secure the lamp's cover means (e.g., lens) against the reflector in a sealed manner. The holder flexes during lamp operation to enable expansion and/or contraction of the cover means in such a manner that damage thereto is substantially prevented. In one example, a ceramic reflector and glass lens combination was used, with the holder comprising an annular, metallic (e.g., aluminum) rim.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.