Robotic vacuum cleaner

  • US 7,444,206 B2
  • Filed: 07/17/2006
  • Issued: 10/28/2008
  • Est. Priority Date: 09/26/2001
  • Status: Active Grant
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First Claim
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1. A nozzle for suction of particulates comprising:

  • a body, said body including a first end and a second end, said first end including a neck, and said second end including an upper edge and a lower edge defining an opening therebetween; and

    ,a lip extending at least substantially parallel to said opening along said upper edge and extending at least partially beyond said lower edge of said second end, said lip tapering upward from a portion of greater thickness to portions of lesser thickness, said lip configured for creating a flow cavity to be formed with a floor or surface over which said nozzle traverses.

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