Patent · US Expired

Electric lamp with mechanical connection

US6031323A · kind A · utility

15Cited by

4References

12Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Gerhard Behr · Riedlingen, DE
Peter Helbig · Sontheim, DE
Hermann Steiner · Herbrechtingen, DE
Christian Wittig · Munich, DE

Key dates

Filing date	Feb 9, 1997
Grant date	Feb 29, 2000
Priority date	—
Expiry date	Feb 9, 2017

Classification

Technology area (CPC H)Electricity
CPC primaryH01J5/56
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention concerns an electric lamp, particularly a high-pressure disrge lamp or halogen bulb with a base on one side for a motor-vehicle headlight. The base of the lamp of the invention has a base sleeve (110) comprised of an electrically insulating material and a mounting element (111) also comprised of an electrically insulating material, which bears lamp bulb (116) and which is joined with base sleeve (110). According to the invention, a metal part (121) is anchored in mounting element (111) and a metal ring (122) is anchored in base sleeve (110), whereby metal ring (122) is equipped with several shaped spring-type weld lugs (122), which are welded with metal part (121) anchored in mounting element (111).

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