{
  "$type": "site.standard.document",
  "description": "An autonomous coverage including a chassis, a drive system and a floor proximity sensor carried by the chassis and configured to detect a floor surface below the robot, wherein the floor proximity sensor includes a beam emitter and a beam receiver responsive to a reflection of the directed beam…",
  "path": "/patents/966046",
  "publishedAt": "2014-12-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "A47L11/24",
    "IROBOT CORP [US]"
  ],
  "textContent": "An autonomous coverage including a chassis, a drive system and a floor proximity sensor carried by the chassis and configured to detect a floor surface below the robot, wherein the floor proximity sensor includes a beam emitter and a beam receiver responsive to a reflection of the directed beam from the floor surface and mounted in a downwardly-directed receptacle of the chassis, and a main cleaning head carried by the chassis and driven to rotate about a horizontal axis to engage a floor surface while the robot is maneuvered across the floor, and a container to collect debris, wherein the main cleaning head includes at least one roller and a suction duct integrated with a brush chamber wherein a leading portion of the brush chamber comprises a curved surface that follows a circumference of the at least one roller at a substantially constant clearance.",
  "title": "Autonomous coverage robot"
}