Lens for a lighting device mounted on vehicle
US5388037A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1993 |
| Grant date | Feb 7, 1995 |
| Priority date | — |
| Expiry date | Jul 27, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lens for a lighting device mounted on a vehicle, wherein said lens is composed of an aesthetic design surface portion, a foot fitting portion arranged around the periphery of said aesthetic design surface portion, and a corner portion along which said aesthetic design surface portion and said foot fitting portion are jointed to each other, characterized in that to assure that drops of dew are grown merely on the foot fitting portion of the lens regardless of the cooling action progressing outside of the aesthetic design surface portion of the lens, the aesthetic design surface portion is dimensioned to have a thickness larger than that of the foot fitting portion, and the corner portion is dimensioned to have a thickness larger than that of the aesthetic design surface portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.