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Fluid-filled seat bladder having integral interface panel

  • US 7,188,536 B2
  • Filed: 11/10/2003
  • Issued: 03/13/2007
  • Est. Priority Date: 11/10/2003
  • Status: Expired due to Fees
First Claim
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1. A fluid-filled elastomeric bladder assembly adapted for disposition in a vehicle seat intermediate an occupant load bearing seat cushion and an underlying spring suspension structure for occupant weight estimation, said fluid-filled elastomeric bladder assembly comprising:

  • upper and lower interface panels formed of relatively thick rigid material for occupant load distribution;

    a sheet of relatively thin elastomeric material disposed between said upper and lower interface panels and peripherally joined to one of said interface panels to form a closed bladder and defining a volume therebetween for filling with a fluid, said sheet of thin elastomeric material and the interface panel to which it is peripherally joined forming upper and lower load bearing surfaces; and

    a port extending through said bladder and adapted for establishing fluid communication between said bladder volume and a fluid pressure sensor.

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