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LOAD DETECTION APPARATUS

  • US 20160313196A1
  • Filed: 04/22/2016
  • Published: 10/27/2016
  • Est. Priority Date: 04/24/2015
  • Status: Active Grant
First Claim
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1. A load detection apparatus arranged between a first fixation member which is provided at a floor side for fixing a seat for a vehicle at a floor and a second fixation member which is provided at a seat side, the load detection apparatus for detecting a load of an occupant seated in the seat for the vehicle, comprising:

  • a strain element including a first fixation hole into which a fixation member fixed to one of the first fixation member and the second fixation member is insertable to be positioned within the first fixation hole, the strain element including a second fixation hole into which a connection member fixed to the other of the first fixation member and the second fixation member is insertable to be positioned within the second fixation hole, a strain gage being arranged between the first fixation hole and the second fixation hole; and

    a fixation support member inserted to be positioned within the first fixation hole and disposed between the first fixation hole and the one of the first fixation member and the second fixation member;

    the first fixation hole serving as an elongated bore which extends towards the second fixation hole,the fixation support member including a base portion specified to be greater than the first fixation hole, an intermediate shaft portion protruding from the base portion and fitted to the first fixation hole, and an insertion hole into which the fixation member is inserted to be positioned, the insertion hole being provided in a state where a center position of the insertion hole is displaced relative to a center position of the intermediate shaft portion in a longitudinal direction thereof, the longitudinal direction being orthogonal to an insertion direction of the intermediate portion to the first fixation hole.

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