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Vehicle Headlamp Assembly

United States Patent

Wisler et al.

Patent Number:    5,402,325

Date of Patent:    Mar. 28, 1995

VEHICLE HEADLAMP ASSEMBLY
Inventors: Jan A. Wisler; Chad E. Spencer; William E. Nagengast, all of Anderson; David R. McMahan, Noblesville, all of Ind.
Assignee: General Motors Corporation, Detroit, Mich.
Appl. No.: 174538
Filed: Dec. 28, 1993
Int. Class: B60Q 1/00; F2V 1/00
U.S. Class: 362/61; 362/306; 362/351
Field of Search: 362/61, 306, 351, 457

References Cited

U.S. PATENT DOCUMENTS
4794500 Dec. 1988 Bradley 362/226
4819133 April 1989 Kochi et al. 362/61
4829408 May 1989 Haydu 362/61
4841409 June 1989 Ohishi 362/226
4882660 Nov. 1989 Liverance 362/226
4893218 Jan. 1990 Dilk et al. 362/61
4926301 May 1990 Liverance 362/226
4947294 Aug. 1990 Van Duyn 362/61
4972301 Nov. 1990 Kasboske 362/61
5003436 March 1991 Yamada et al. 362/61
5055980 Oct. 1991 Mochizuki 362/61
5146392 Sept. 1992 Kasboske 362/61
5180219 Jan. 1993 Geddie 362/61
5195815 March 1993 Watanabe 362/61
5205633 April 1993 Kasboske 362/61

FOREIGN PATENT DOCUMENTS
4-092302 March 1992 Japan 362/61
Primary Examiner- Ira S. Lazarus
Assistant Examiner- Sara Sachie Raab
Attorney, Agent, or Firm- Ernest E. Helms

Abstract

A vehicle headlamp assembly is provided including a reflector housing having a forward face and a rearward face intersected by a bore, the rearward face having a generally annular flat with a series of depressions; a bulb providing a source of illumination positioned generally adjacent the reflector housing forward face; a bulb housing providing an electrical connection for the bulb and for mounting the bulb, the bulb housing having a first portion inserted within the housing bore and a second portion positioned generally adjacent to the reflector housing rear face annular flat contacting the same; a generally annular retainer having a first portion extending through the reflector housing bore and a second portion contacting the rear face of the reflector housing within the depressions of the rear face, the retainer also having an interlocking flange spaced from the second portion with biasing tabs for retaining the bulb housing within the reflector housing bore and urging the bulb housing against the reflector housing rear face; a shield for blocking a portion of the illumination generated by the bulb, the shield having a main body portion connected with legs which are in turn connected with an annular ring, the annular ring contacting a forward face of the reflector housing; and a connecting subarrangement connecting the first portion of the retainer with the shield annular ring, thereby affixing the retainer and the shield to the reflector housing.

13 Claims, 4 Drawing Sheets

Vehicle Headlamp Assembly image


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