Patent · US Active

Production method for a headlight lens and headlight lens for a motor vehicle headlight

US8251557B2 · kind B2 · utility

0Cited by

2References

19Claims

0Family size

Assignee

Docter Optics GmbH · DE

Inventors

Klaus Erward · Bad Lobenstein, DE
Franz Sykura · Pausa, DE

Key dates

Filing date	Dec 13, 2007
Grant date	Aug 28, 2012
Priority date	—
Expiry date	Jul 27, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03B2215/50
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a headlight lens for a vehicle headlight, particularly for a motor vehicle headlight, wherein the headlight lens comprises a bright-molded lens body made of a transparent material, having a substantially plane optically effective surface and a convexly curved optically effective surface, wherein the headlight lens comprises a lens edge on the outside of the convexly curved optically effective surface, wherein the substantially plane optically effective surface, protrudes over the lends edge, or over part of the lens edge, in a stepped manner in the direction of an optical axis of the headlight lens.

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