Leveling apparatus for vehicle headlamp

Details Leveling apparatus for vehicle headlamp Leveling apparatus for vehicle headlamp

2005-07-19

2005-07-19

Husar, Stephen (Department: 2875)

Illumination

Supported by vehicle structure

Including headlamp beam measuring or indicating

C362S273000, C362S289000, C362S524000, C362S526000, C362S513000

Reexamination Certificate

active

06918687

ABSTRACT:
A leveling apparatus for a vehicle headlamp has a case body, a motor disposed within the case body, a worm wheel supported by the case body rotatably but unmovably in the longitudinal direction and rotated by the motor and a shaft screwed into the worm wheel. The shaft and the worm wheel are screwed together by thread ridges provided on the inner side of the worm wheel and thread ridges provided on the outer periphery of a driven portion forming the shaft. The thread ridges on one side out of the thread ridges on two sides are formed by one to two pitches.

REFERENCES:
patent: 4574334 (1986-03-01), Igura
patent: 5823054 (1998-10-01), Brouwer
patent: 6428196 (2002-08-01), Deguchi et al.
patent: 2 355 065 (2001-04-01), None

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