Mobile cleaning robot for floors

  • US 6,938,298 B2
  • Filed: 10/29/2001
  • Issued: 09/06/2005
  • Est. Priority Date: 10/30/2000
  • Status: Expired due to Fees
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First Claim
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1. A self-propelled mobile cleaning robot comprisinga housing;

  • means for securing a dust cloth to said housing; and

    a drive unit within said housing and projecting downwardly from said housing to rollably engage a floor surface, said drive unit being characterized in being unconnected to and movable relative to said housing whereby said drive unit is able to impact against said housing from within said housing to cause said housing to move along the floor surface and in being movable on a momentum of rotation principle whereby upon actuation said drive unit moves across the floor surface in a random manner.

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