Automotive tail lamp with large rake angle
US5954427A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1997 |
| Grant date | Sep 21, 1999 |
| Priority date | — |
| Expiry date | Nov 5, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S43/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A tail lamp for use on an automotive vehicle with a large rake angle has a lens, a reflector, a source of light and a means for attachment of the tail light to the vehicle. The reflector has a pillowed reflective surface that is substantially vertically oriented and rearward facing, having a basic surface provided with a plurality of pillows. Each of the pillows has a set of corner control points defining the corners of said pillow, a set of edge control points defining the edges of said pillow and a set of interior control points. Each pillow also has a predetermined horizontal curvature angle from a tangent of the basic surface to a horizontal tangent of the pillowed surface and a predetermined vertical curvature angle from a tangent of the basic surface to a vertical tangent of the pillowed surface, measured at a corner control point of said pillow. The lens has a plurality of flutes on an interior surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.