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Windscreen wipers

  • US 4,339,839 A
  • Filed: 03/14/1980
  • Issued: 07/20/1982
  • Est. Priority Date: 03/23/1979
  • Status: Expired due to Term
First Claim
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1. A windscreen wiper comprising:

  • an elongate blade carrier,a flexible blade arrangement mounted on the carrier, the blade arrangement including a pair of longitudinally extending parallel spaced resilient lip members adapted to engage a windscreen surface so as to bound a hollow space which is closed in use by the windscreen,at least one conduit for cleaning fluid communicating with said space, anda longitudinally extending resilient screen scrubbing arrangement mounted in the hollow space between but spaced from the lip members, the scrubbing arrangement when in use contacting the windscreen surface,the blade carrier, the blade arrangement, and the scrubbing arrangement each having a constant cross-section along its entire length, a recess in one of the blade carrier and blade arrangement for accommodating the scrubbing arrangement,the blade arrangement and the scrubbing arrangement each being uniformly longitudinally flexible at all points along its length.

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