{
  "$type": "site.standard.document",
  "description": "A variable-diameter wheel 1 comprising at least one rim or hub 11 having a predetermined diameter, to which at least one drive axle 14 of the wheel 1 is connected; at least one outer surface external to the hub 11, having a diameter which is greater than the diameter of said hub 11; and further…",
  "path": "/patents/1003039",
  "publishedAt": "2012-04-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60B15/10",
    "OTO MELARA SPA [IT]"
  ],
  "textContent": "A variable-diameter wheel 1 comprising at least one rim or hub 11 having a predetermined diameter, to which at least one drive axle 14 of the wheel 1 is connected; at least one outer surface external to the hub 11, having a diameter which is greater than the diameter of said hub 11; and further comprising at least one diameter-variation mechanism 3 secured to said axle 14 and adapted to vary the actual diameter of said wheel 1 according to the torque applied to the drive axle 14 by at least one propulsion system.",
  "title": "Variable-diameter wheel"
}