Autonomous surface cleaning robot for wet and dry cleaning

  • US 8,670,866 B2
  • Filed: 02/21/2006
  • Issued: 03/11/2014
  • Est. Priority Date: 02/18/2005
  • Status: Active Grant
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First Claim
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1. A surface treatment robot, comprising:

  • a robot body having an outer perimeter formed substantially as a shape of constant width, driven forward by at least one circulating member;

    a dispensed material compartment that holds material to be dispensed by the robot;

    a wet cleaning head that employs at least one wet cleaning member to clean along a cleaning width line of the robot with the assistance of dispensed material, the wet cleaning head defining a cleaning width; and

    a waste material compartment that holds material picked up by the robot;

    each of the dispensed material compartment and waste material compartment being shaped and positioned to place the center of gravity of the dispensed material compartment volume less than ½

    of the cleaning width from the center of gravity of the waste material compartment volume.

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