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Passenger's weight measurement device for vehicle seat and attachment structure for load sensor

  • US 8,540,047 B2
  • Filed: 09/07/2011
  • Issued: 09/24/2013
  • Est. Priority Date: 09/30/2005
  • Status: Active Grant
First Claim
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1. A passenger'"'"'s weight measurement device for a vehicle seat, comprising:

  • lower rails that are attachable to a floor of a vehicle;

    a movable member of an upper rail side including side frames, the movable member being provided so as to move in a front-back direction with respect to the lower rails;

    a load sensor having a rod and a main body;

    an insertion hole portion formed at the movable member, through which the rod of the load sensor is inserted;

    a ring-shaped bush member that is inserted through the insertion hole portion; and

    a cylindrical member that is disposed between the ring-shaped bush member and the rod, whereinthe cylindrical member is inserted in the ring-shaped bush member so that an outer surface of the cylindrical member contacts an inner surface of the ring-shaped bush memberthe cylindrical member defines a projecting portion and a cylinder portion,the projecting portion projects outside from the cylinder portion in a radial direction,the projecting portion is disposed at a load sensor main body side of the cylindrical member, andthe projecting portion contacts the main body of the load sensor.

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