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Air lumbar support

  • US 4,467,426 A
  • Filed: 07/01/1981
  • Issued: 08/21/1984
  • Est. Priority Date: 07/25/1980
  • Status: Expired due to Fees
First Claim
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1. An air lumbar support for a vehicle seat comprising:

  • air bag means mounted in the lower portion of a seat back to vary the contour thereof;

    air pump means connected to the air bag means for supplying air to the air bag means;

    valve means coupled to the air pump means for controlling air flow from the pump means to the air bag means;

    solenoid valve means coupled to the air bag means for controlling air pressure in the air bag means; and

    an electronic control means comprising electronic processor means, key switch means and memory means storing standard attitude establishing data which indicates the timed energization of the solenoid valve means,said electronic control means being responsive to standard attitude establishing data upon actuation of selected key switch means by reading standard attitude establishing data and controlling the energization of the air pump means and the timed energization of the solenoid valve means for establishing an air pressure in the air bag means corresponding to the standard attitude establishing data.

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