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Blade supporting apparatus in wiper apparatus

  • US 7,472,451 B2
  • Filed: 02/04/2003
  • Issued: 01/06/2009
  • Est. Priority Date: 02/13/2002
  • Status: Expired due to Fees
First Claim
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1. A blade supporting apparatus in a wiper apparatus in which a wiper blade mounted to a leading end portion of a wiper arm wipes a window surface in correspondence to a normal and reverse rotation of a wiper shaft integrally mounted to a base end portion of the wiper arm, a middle portion of the wiper blade pivotably supported by the leading end portion of the wiper arm via a pivot substantially orthogonal to an arm length direction so as to freely oscillate, the blade supporting apparatus comprising a supporting member provided in the wiper arm to movably support, toward and away from the window surface, the portion of the wiper blade nearer to the wiper shaft side than the middle portion of the wiper blade, the supporting member having a supporting concave portion formed in the supporting member so as to receive and support the wiper blade and a plurality of ribs extending toward the window surface formed on an inner surface of the supporting concave portion so as to be in linear contact with the wiper blade, and the supporting member supports a blade lever constituting the wiper blade, and a support receiving body insertedly fitted to the supporting concave portion of the supporting member is provided in a supporting portion of the blade lever in a come-off preventing manner and contacting in linear with the plurality of ribs of the supporting member.

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