Patent ID: 8572799

Claim:
A cleaning robot system comprising: a robot comprising: a chassis; a drive system mounted on the chassis and configured to maneuver the robot as directed by a controller in communication with the drive system; and a cleaning assembly carried by the chassis and comprising: a cleaning assembly housing; and a driven cleaning roller rotatably coupled to the cleaning assembly housing; and a robot maintenance station comprising: a station housing; a docking platform carried by the station housing and configured to support the robot when docked; a mechanical agitator that engages the cleaning roller of the robot with the robot docked, the agitator comprising an agitator comb having multiple teeth configured to remove accumulated debris from the cleaning roller as the agitator comb and the cleaning roller are moved relative to one another; and a collection bin arranged to receive and hold debris removed by the mechanical agitator; wherein the agitator comb is configured to traverse longitudinally across the cleaning roller of the docked robot.