• US 20080047092A1
  • Filed: 05/21/2007
  • Published: 02/28/2008
  • Est. Priority Date: 05/19/2006
  • Status: Active Grant
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First Claim
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1. An autonomous coverage robot comprising:

  • a chassis;

    a drive system mounted on the chassis and configured to maneuver the robot;

    a cleaning assembly carried by the chassis and comprising;

    a cleaning assembly housing; and

    at least one driven sweeper brush rotatably coupled to the cleaning assembly housing;

    a controller carried by the chassis;

    a removable sweeper bin attached to the chassis and configured to receive debris agitated by the driven sweeper brush, the removable sweeper bin comprising;

    an emitter disposed on an interior surface of the bin; and

    a receiver disposed remotely from the emitter on the interior surface of the bin and configured to receive a signal emitted by the emitter, the emitter and the receiver disposed such that a threshold level of accumulation of debris in the sweeper bin blocks the receiver from receiving emissions from the emitter; and

    a bin controller disposed in the sweeper bin and monitoring a signal from the detector and initiating a bin full routine upon determining a bin debris accumulation level requiring service.

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