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Continental Design & Engineering Patents
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 |
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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 |
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