×

Headlight for a motor vehicle having an adjustable motor-driven reflector

  • US 5,105,342 A
  • Filed: 08/05/1991
  • Issued: 04/14/1992
  • Est. Priority Date: 12/30/1988
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a headlight having a headlight housing, a reflector in the headlight housing and an electromotive adjusting device for adjusting the reflector, said adjusting device comprising a housing part, an electric motor, a step-down gear unit connected with the reflector and the electric motor and an adjusting element for adjusting the reflector actuatable by the step-down gear unit, said adjusting element having an axis, the improvement wherein the housing part with the adjusting device is located in the headlight housing and is nonrotatably mounted to the headlight housing so as to be nonrotatable with respect to rotation around the axis of the adjusting element and held fixed with respect to displacement along the axis and with respect to a transverse motion from the axis, said step-down gear unit being associated with the housing part and comprising a small worm gear connected with and driven by the electric motor, the worm gear being oriented transversely relative to the axis of the adjusting element, and a toothed wheel positioned coaxially on the axis, the toothed wheel having a plurality of radially oriented teeth for engagement in the worm gear, the toothed wheel being provided with a bore hole extending along the axis, the bore hole having an internal thread and the housing part being provided with a journal which projects along the axis toward the toothed wheel, said journal being provided with an external thread, the journal being engaged in the bore hole so that the toothed wheel is connected with the housing part so as to be movable by rotation along the axis on rotation of the worm gear, and the toothed wheel being connected with the reflector on a side removed from the housing part via the adjusting element, and wherein the toothed wheel is provided with a ball-ended spindle receptacle facing the reflector and the adjusting element comprises a ball-ended spindle having one spherical end and another end opposite the one spherical end, said spherical end engaging pivotally in said ball-ended receptacle and said other end engaging with said reflector so as to couple said ball-ended spindle and said reflector, so that, when said toothed wheel moves along said axis, said ball-ended spindle pivots and adjusts said reflector.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×