Vehicle headlamps
US3931511A · kind A · utility
2Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 6, 1974 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Dec 6, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/29
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicle headlamp has a paraolic mirror with a lamp having a dipped beam filament disposed in front of the focus of the mirror. A front lens is adapted to be rigidly secured to the vehicle body whilst an auxiliary lens is mounted between the front lens and the lamp. The auxiliary lens is rigidly connected to the mirror so as to be movable therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.