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Vehicle Headlamp Adjuster with Pivoting Housing

United States Patent

Young et al.

Patent Number:    5,414,602

Date of Patent:    May 9, 1995

VEHICLE HEADLAMP ADJUSTER WITH PIVOTING HOUSING
Inventors: Paul E. Young, Muncie; Rex E. Clendenen, Jr., Anderson; Juan Delbosque, Lapel; Roy Smith, Indianapolis; Gary L. Miller, Lapel; Brian S. Lewis, Middletown, all of Ind.
Assignee: General Motors Corporation, Detroit, Mich.
Appl. No.: 293620
Filed: August 22, 1994
Int. Class: F21M 3/20;
U.S. Class: 362/66; 362/80; 362/428
Field of Search: 362/418, 419, 427, 428

References Cited

U.S. PATENT DOCUMENTS
4893219 January 1990 Lisak 362/66
4901208 February 1990 DePetro 362/66
4939945 July 1990 Ryder et al. 74/89.13
5163746 November 1992 Lisak 362/66
5165775 November 1992 Lisak et al. 362/66
5186532 February 1993 Ryder et al. 362/66

Primary Examiner- Richard R. Cole
Attorney, Agent, or Firm- Ernest E. Helms

Abstract

A headlamp adjuster is provided which, in a preferred embodiment, includes a mounting panel connected to the vehicle with an aperture and upper and lower ends providing linearly aligned cylindrical surfaces facing the vehicle; a housing fixably connected with upper and lower rods for pivotal entrapment in the cylindrical surfaces of the mounting panel, allowing pivotal movement of the housing with respect to the vehicle panel; a drive screw mounted by the housing and projecting therefrom having an end with a ball pivotally connected to the headlamp in a nonrotational fashion; a first gear with a connected bushing mounted within the housing, the first gear threadably encircling the drive screw being formulated from a nonmetallic material having a bore providing an interference fit with the drive screw, the rotation of the first gear causing translational movement of the drive screw; and a second gear mounted within the housing and held in position by the bushing of the first gear, the second gear being enmeshed with the first gear for imparting a torque to the first gear and the second gear having fixably attached thereto an input shaft extending from the housing for receipt of torsional input to the second gear.

7 Claims, 3 Drawing Sheets

Vehicle Headlamp Adjuster with Pivoting Housing patent image

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