Lawn care robot

  • US 9,043,953 B2
  • Filed: 12/12/2013
  • Issued: 06/02/2015
  • 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;

    a controller carried by the body and in communication with the drive system;

    a grass cutter carried by the body;

    at least one obstacle sensor carried by the body and in communication with the controller, the at least one obstacle sensor configured to detect surface phenomenon that may be treated as an obstacle;

    a detachable manual handle configured to be attached to the body; and

    a handle connector carried by the body, the handle connector configured to detect if the manual handle is extended relative to the body;

    wherein the controller is configured to operate the drive system in an autonomous mode when the handle connector detects that the manual handle is not extended relative to the body connector and to redirect the robot in response to the obstacle sensor detecting an obstacle, andwherein the controller is configured to operate the drive system in a manual mode when the handle connector detects that the manual handle is extended relative to the body.

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