Autonomous coverage robot

  • US 10,299,652 B2
  • Filed: 03/19/2014
  • Issued: 05/28/2019
  • Est. Priority Date: 05/09/2007
  • Status: Active Grant
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First Claim
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1. A surface treatment robot comprising:

  • a drive system configured to maneuver the surface treatment robot over a cleaning surface, the drive system comprising right and left driven wheels;

    a supply volume configured to hold a cleaning liquid;

    an applicator in fluid communication with the supply volume, the applicator configured to dispense the cleaning liquid onto a portion of the cleaning surface;

    a pad configured to engage the cleaning surface to support a forward portion of the surface treatment robot above the cleaning surface and collect the cleaning liquid distributed along at least a portion of the cleaning surface when the surface treatment robot is driven, the pad arranged forward of all of the wheels, the pad extending at least along a cleaning width defined by the right and left driven wheels, and the pad slidably supporting at least ten percent of a mass of the surface treatment robot above the cleaning surface; and

    a baseplate configured to hold the pad.

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