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Backrest for a vehicle seat

  • US 20080129100A1
  • Filed: 09/07/2007
  • Published: 06/05/2008
  • Est. Priority Date: 03/08/2005
  • Status: Active Grant
First Claim
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1. A backrest with head support for a vehicle seat, comprising:

  • a substantially upright backrest;

    a head support mounted in the backrest and adjustable in height with respect to the backrest from a preestablished initial position to a final position commensurate with the height of the head of a person sitting in the vehicle seat, said head support having upper and lower portions;

    a proximity sensor arranged in the upper portion of the head support and directed obliquely downward to be triggered by the upper portion of the person'"'"'s head;

    an indicator responsive to a proximity signal from the proximity sensor dependent on the proximity of the upper portion of the person'"'"'s head to the upper portion of the headrest; and

    means for adjusting the height of the headrest to a final position at which said proximity signal is triggered.

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