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Windshield wiper blade assembly

  • US 3,995,347 A
  • Filed: 07/08/1975
  • Issued: 12/07/1976
  • Est. Priority Date: 07/26/1974
  • Status: Expired due to Term
First Claim
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1. A wiper blade assembly for vehicle windshields, comprising a blade yoke made of an elastic plastic material and having a surface on one side facing toward the windshield, blade support means carried by said yoke including a holding portion spaced from said yoke surface and having blade passage means therethrough, a wiper blade having a base portion disposed between said surface and said holding portion and having a wiper blade portion connected to said base portion and extending through said blade passage towards the windshield, said yoke having at least one substantially vertical end wall closing one end of the space between said holding portion and said yoke surface with an inturned flange at its lower end having an opening therethrough and defining an interior shoulder extending inwardly from said end wall, a flat metal spring member insertable through the opening in said end wall and disposed after insertion of said spring member and said blade between said base portion and said yoke surface, the adjacent end of the base portion of said blade being aligned with and closing the opening, and with said spring member overlying said shoulder for preventing said spring member from moving out of said yoke.

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