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Window and lens glass cleaning system

  • US 6,393,652 B1
  • Filed: 07/22/1999
  • Issued: 05/28/2002
  • Est. Priority Date: 07/23/1998
  • Status: Expired due to Fees
First Claim
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1. A window and lens glass cleaning system for a window/lens glass of a motor vehicle, comprising a pivotally mounted wiper arm for holding a wiper lip, which slides over the window/lens glass, said system comprising at least one washer fluid pipe which is mounted on the wiper arm and is connected to a retaining part mounted on the wiper arm, the retaining part having a washer nozzle and a recess for accommodating an electric heating element that is mounted on the retaining part in close proximity to the washer nozzle, wherein the recess can be closed by a flap that is connected to the retaining part via a film hinge and washer fluid situated in the washer nozzle is heatable by the heating element, and wherein a nonreturn valve is attached to the retaining part in front of the washer nozzle, in the direction of the washer fluid flow.

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