Motor vehicle head lamp lenses having light deflecting ribs
US4272801A · kind A · utility
6Cited by
4References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1979 |
| Grant date | Jun 9, 1981 |
| Priority date | — |
| Expiry date | Jun 1, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention relates to a motor vehicle headlamp lens. It is characterized in that at least one zone of ribs is formed by ribs of variable cross-section, so that the optical deflection effect varies from one point of the rib to another. Improvement of the characteristics of the beam passing therethrough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.