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SEAT OCCUPANCY SENSOR UNIT FOR SEAT WITH SPRING SUSPENSION OR SEAT PAN

  • US 20150283922A1
  • Filed: 10/16/2013
  • Published: 10/08/2015
  • Est. Priority Date: 10/22/2012
  • Status: Active Grant
First Claim
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1. A pressure-responsive seat occupancy sensor unit for detecting an occupancy state of a seat, comprising:

  • a support plate having a top surface and a bottom surface,a plurality of bearing elements for fixation of said support plate on seat cushion suspension springs, said bearing elements defining an upper surface of said pressure-responsive seat occupancy sensor unit, wherein said top surface of said support plate is arranged recessed from said upper surface;

    a foam pad disposed between said bearing elements on said support plate;

    a recess formed in said top surface of said support plate, underneath said foam pad; and

    a pressure-responsive membrane switch arranged in said recess,wherein said recess has a depth exceeding the thickness of said pressure-responsive membrane switch.

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