Evacuation station

  • US 9,924,846 B2
  • Filed: 09/08/2016
  • Issued: 03/27/2018
  • Est. Priority Date: 06/25/2015
  • Status: Active Grant
First Claim
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1. A mobile robot comprising:

  • a debris bin comprising;

    a chamber to hold debris retrieved by the mobile robot from a surface while the mobile robot traverses the surface;

    an exhaust port through which the debris exits the debris bin, the exhaust port being at a bottom of the debris bin; and

    a door unit comprising a flap configured to move, in response to air pressure at the exhaust port, between a closed position to cover the exhaust port and an open position to open a path between the chamber and the exhaust port;

    wherein the door unit, including the flap in the open position and in the closed position, is above a plane parallel to a bottom surface of the robot.

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