ROBOT CONFINEMENT

  • US 20090254218A1
  • Filed: 06/19/2009
  • Published: 10/08/2009
  • Est. Priority Date: 03/17/2006
  • Status: Active Grant
First Claim
Patent Images

1. A robot lawnmower comprising:

  • a body;

    a drive system carried by the body and configured to maneuver the robot across a lawn, the drive system comprising right and left drive wheels, the drive wheels being differentially driven;

    at least one caster wheel supporting the body;

    a grass cutter carried by the body;

    a controller in communication with the drive system and configured to maneuver the robot to turn in place; and

    a bump sensor in communication with the controller, the controller being configured to redirect the robot in response to the bump sensor sensing contact with an obstacle;

    wherein the drive wheels are positioned rearward of a transverse center axis defined by the body, the at least one caster wheel is positioned substantially forward of the right and left drive wheels, and the grass cutter is positioned at least partially forward of the right and left drive wheels and at least partially behind the at least one caster wheel.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×