{
  "$type": "site.standard.document",
  "description": "Provided is an automatic cleaner. The automatic cleaner includes a main body and a wheel assembly disposed in the main body to allow the main body to move. The wheel assembly includes a driving part, a first wheel rotating by a power of the driving part, and a second wheel rotating by the power of…",
  "path": "/patents/959747",
  "publishedAt": "2015-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "A47L9/00",
    "LG ELECTRONICS INC [KR]"
  ],
  "textContent": "Provided is an automatic cleaner. The automatic cleaner includes a main body and a wheel assembly disposed in the main body to allow the main body to move. The wheel assembly includes a driving part, a first wheel rotating by a power of the driving part, and a second wheel rotating by the power of the driving part, the second wheel including a plurality of contact protrusions on an outer circumferential surface thereof.",
  "title": "Automatic cleaner"
}