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Floor-cleaning device

  • US 20080229528A1
  • Filed: 03/23/2007
  • Published: 09/25/2008
  • Est. Priority Date: 03/23/2007
  • Status: Abandoned Application
First Claim
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1. A floor-cleaning device, comprising:

  • a main body;

    a pair of driving units deposited at the left and right sides of the main body for propelling the main body to move on a substantial surface;

    a moving-along-edge sensing unit deposited at the left or right side of the main body that is composed of non-contact sensing components whereby the main body can move along the edge of an external object with a predetermined distance and along a slightly S-shaped route;

    a cleaning unit settled at the bottom of the main body; and

    a control unit and a power-supply unit, which are settled inside the main body and electrically connected with the,above units in the manner that the driving units can propel the main body to move and the cleaning unit can conduct cleaning during the movement of the main body.

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