Patent · US Expired

Headlamp bulb

US7004609B2 · kind B2 · utility

4Cited by

7References

4Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Gerhard Behr · Riedlingen, DE
Peter Helbig · Sontheim, DE

Key dates

Filing date	Aug 13, 2002
Grant date	Feb 28, 2006
Priority date	—
Expiry date	Dec 16, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH01K1/46
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A headlight lamp has at least one lamp vessel in which at least one luminous element is enclosed, and a lamp base, which is provided with the electric terminals of the headlight lamp. The base has an annular metallic holder in which the at least one lamp vessel is fixed, and at least three reference noses arranged in a common plane, and an annular base flange arranged parallel to the plane of the reference noses. The base flange has at least three lugs are arranged along its circumference, which are of resilient design and serve together with the reference noses for fastening the lamp in a headlight. The reference noses are integrally formed on a reference ring, which is connected to the annular metallic holder and to the base flange.

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