{
  "$type": "site.standard.document",
  "description": "A wheel device includes: a wheel member; a tire disposed on the outside of the wheel member, the tire comprising an inner layer, an outer layer, and a plurality of hollow pipes disposed between the inner layer and the outer layer, wherein an inner circumferential surface of the inner layer…",
  "path": "/patents/1347985",
  "publishedAt": "2023-07-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60B9/28",
    "SAMSUNG ELECTRONICS CO., LTD."
  ],
  "textContent": "A wheel device includes: a wheel member; a tire disposed on the outside of the wheel member, the tire comprising an inner layer, an outer layer, and a plurality of hollow pipes disposed between the inner layer and the outer layer, wherein an inner circumferential surface of the inner layer comprises grooves; a plurality of support members each having a circular arc shape; and a plurality of spoke members respectively connecting the wheel member to the plurality of support members. The plurality of spoke members are configured to move the plurality of support members between a first position and a second position. In the first position, each of the support members are disposed in the grooves. In the second position, each of the support members are disposed closer to a central axis of the tire than when the support members are in the first position.",
  "title": "WHEEL DEVICE AND MOBILE ROBOT DEVICE COMPRISING SAME"
}