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Robot for cleaning wall/window

  • US 8,127,390 B2
  • Filed: 02/04/2008
  • Issued: 03/06/2012
  • Est. Priority Date: 02/09/2007
  • Status: Expired due to Fees
First Claim
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1. A robot for cleaning a wall and/or window, comprising:

  • a moving unit for moving the robot in a first direction;

    a direction changing unit for rotating the moving unit to change a moving direction of the robot; and

    a cleaning unit mounted on peripheral area of the robot.

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