{
  "$type": "site.standard.document",
  "description": "An omnidirectional rotation drive apparatus includes: a knuckle connected to a vehicle body, a main wheel drive shaft rotatably supported on the knuckle, a sub-wheel drive shaft rotatably supported on the main wheel drive shaft, a wheel body fixed to the main wheel drive shaft to rotate…",
  "path": "/patents/1377857",
  "publishedAt": "2026-01-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60B19/003",
    "HYUNDAI MOTOR COMPANY"
  ],
  "textContent": "An omnidirectional rotation drive apparatus includes: a knuckle connected to a vehicle body, a main wheel drive shaft rotatably supported on the knuckle, a sub-wheel drive shaft rotatably supported on the main wheel drive shaft, a wheel body fixed to the main wheel drive shaft to rotate simultaneously with the main wheel drive shaft, sub-wheel units rotatably supported on the wheel body, and gear units connected to the sub-wheel drive shaft to transmit rotational force from the sub-wheel drive shaft to the sub-wheel units. In particular, the sub-wheel units are rotated based on an angular velocity difference between the main wheel drive shaft and the sub-wheel drive shaft.",
  "title": "OMNIDIRECTIONAL ROTATION DRIVE APPARATUS"
}