Patent · US Expired

Lamp/reflector unit

US5053935A · kind A · utility

6Cited by

3References

2Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Paul Hellwig · Aachen, DE
Bernd Mackovika · Aachen, DE
Wolfgang Hahn · Neutraubling, DE

Key dates

Filing date	Aug 15, 1990
Grant date	Oct 1, 1991
Priority date	—
Expiry date	Aug 15, 2010

Classification

Technology area (CPC H)Electricity
CPC primaryH01J5/58
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The lamp/reflector unit comprises a reflector (1) having a neck-shaped portion (3) in which a metal centering member (9) is present. The centering member (9) has a transverse wall (10) with an opening (11) in which the seal (6) of an electric lamp (4) is accommodated, secured with cement (12). Recesses (13) extend from the opening (11) into the transverse wall (10). Fracture of the seal (6) is thus prevented.

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