Cleaning robot

  • US 7,765,635 B2
  • Filed: 08/31/2007
  • Issued: 08/03/2010
  • Est. Priority Date: 09/05/2006
  • Status: Active Grant
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First Claim
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1. A robot cleaner comprising:

  • a case;

    a contact bar rotatably connected to the case and extending from the case for directly contacting the floor; and

    a position sensor disposed in the case and positioned for engagement with a lateral movement of the contact bar relative to the floor during movement of the case and becoming disengaged when the contact bar detects the nonexistence of the floor during said movement,wherein the position sensor includes a first electrode disposed on the contact bar and a second electrode disposed on the case and adapted to interact with the first electrode.

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