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Automatic adjustable seat

  • US 5,263,765 A
  • Filed: 08/21/1992
  • Issued: 11/23/1993
  • Est. Priority Date: 12/27/1989
  • Status: Expired due to Fees
First Claim
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1. A seat for a seat occupant comprising:

  • a seat cushion;

    a seat back extending from said seat cushion;

    a support disposed within said seat cushion or said seat back;

    an actuator operatively connected to said support;

    fatigue sensing means for sensing fatigue of the seat occupant;

    manually operable command generating means for generating a manual command for said actuator; and

    a control system comprising;

    means responsive to the fatigue sensing means for controlling the actuator to operate in a first operating state in while the actuator varies a characteristic of the support according to an initial mode of variation when the fatigue sensing means senses fatigue of the seat occupant; and

    means responsive to a command from the command generating means for controlling the actuator to switch from the first operating state to a second operating state in which the actuator varies a characteristic of the support according to a second mode of variation upon the generation of the manual command.

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