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Vortex damping wiper blade

  • US 9,457,768 B2
  • Filed: 04/23/2012
  • Issued: 10/04/2016
  • Est. Priority Date: 04/21/2011
  • Status: Active Grant
First Claim
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1. A wiper blade comprising:

  • a beam having two ends, two longitudinal sides, a top side and a bottom side;

    a central bridge disposed on the top side of the beam;

    a wiper strip disposed on the bottom side of the beam;

    a cover having two longitudinal sides, two outer ends and a top surface;

    wherein;

    the cover is disposed on the top side of the beam;

    the top surface of the cover has a base portion having a height and a raised portion having a height wherein the height of the raised portion is greater than the height of the base portion;

    the height of the raised portion gradually decreases as the raised portion approaches the outer ends of the cover; and

    wherein the raised portion has an apex that merges with the base portion before the outer ends of the cover such that multiple cross-sections of the top surface of the cover have a substantially geometrically similar cross-sectional profile along a length of a longitudinal axis that is parallel to the two longitudinal sides of the cover until the apex merges with the base portion, and wherein the base portion has a substantially constant height.

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