Patent · US Expired

Headlight for vehicle

US6116764A · kind A · utility

6Cited by

1References

16Claims

0Family size

Assignee

Hella KGaA Hueck & Co. · DE

Inventors

Karsten Eichhorn · Ennigerloh, DE
Franz-Josef Kalze · Harsewinkel, DE
Ewald Topp · Erwitte, DE

Key dates

Filing date	Apr 28, 1999
Grant date	Sep 12, 2000
Priority date	—
Expiry date	Apr 28, 2019

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60Q2300/334
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A headlight, having a bowel shaped reflector with two focal points and a lens, includes a screen shaft positioned between the lens and the reflector, a rotational axis of which extends horizontally and at a right angle to an optical axis. The screen shaft is adjustable to a plurality of rotational positions and has in each rotational position a focal line, which produces a light-dark border of a light pattern. A mantle surface of the screen shaft has at least one surface portion which connects two focal lines which extends irregularly to, and deviates from, a cylindrical surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.