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Electrically Height Adjustable Head Rest Device for an Automotive Vehicle

  • US 20090224590A1
  • Filed: 03/04/2009
  • Published: 09/10/2009
  • Est. Priority Date: 03/04/2008
  • Status: Active Grant
First Claim
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1. An electrically height-adjustable head rest device in a seat back of a motor vehicle seat comprising:

  • a head rest;

    at least one bar carrying the head rest;

    a cross member connected to the at least one bar and comprising an internal thread; and

    a motor-spindle unit comprising a spindle engaging the internal thread, wherein a guide part is provided, and a guide seat for the guide part is provided on one of the cross member and the motor-spindle unit.

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