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Retainer Arrangement for a Replaceable Lamp Bulb Assembly

United States Patent

Nagengast et al.

Patent Number:    5,095,410

Date of Patent:    Mar. 10, 1992

RETAINER ARRANGEMENT FOR A REPLACEABLE LAMP BULB ASSEMBLY
Inventors: William E. Nagengast; David R. McMahan, both of Anderson; Philip C. Filosa, Indianapolis; Harry L. Kirchebauer, Anderson, all of Ind.
Assignee: General Motors Corporation, Detroit, Mich.
Appl. No.: 740780
Filed: Aug. 6, 1991
Int. Class: F21V 29/00; F21M 3/00
U.S. Class: 362/61; 362/294
Field of Search: 362/61, 80, 267, 226, 362/294, 373

References Cited

U.S. PATENT DOCUMENTS
3593017 July 1971 Cibie 362/294
4731709 March 1988 Freudenreich 362/294
4862337 August 1989 Ohshio et al. 362/294
4931912 June 1990 Kawakami et al. 362/294
5010453 April 1991 Ketterman 362/294

Primary Examiner- Ira S. Lazarus
Assistant Examiner- Richard R. Cole Attorney, Agent, or Firm- Edward J. Biskup

Abstract

A retainer arrangement for a replaceable lamp bulb assembly that cooperates with a vent formed in the reflector body of a headlamp for establishing a labyrinth type flow path for air to enter and exit the interior of the headlamp.

3 Claims, 1 Drawing Sheets

Retainer Arrangement for a Replaceable Lamp Bulb Assembly image


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