{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "The invention relates to a trailer coupling for a motor vehicle, wherein the trailer coupling has a coupling arm, on the free end region of which a ball neck is formed, on which a coupling ball is arranged for attaching a trailer or coupling a load carrier to the motor vehicle. The coupling ball is…",
  "path": "/patents/1251320",
  "publishedAt": "2020-01-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60D1/065",
    "WESTFALIA-AUTOMOTIVE GMBH"
  ],
  "textContent": "The invention relates to a trailer coupling for a motor vehicle, wherein the trailer coupling has a coupling arm, on the free end region of which a ball neck is formed, on which a coupling ball is arranged for attaching a trailer or coupling a load carrier to the motor vehicle. The coupling ball is spherical on the side thereof facing away from the ball neck and has a spherical segment plane on the side thereof facing the ball neck. Between the spherical segment plane and a portion of the ball neck which has a smaller outer circumference than the spherical segment plane there is arranged a throat portion having a transition contour extending in a concave manner between the ball neck and the spherical segment. The transition contour transitions with a coupling ball transition region into an external contour of the coupling ball, in particular into the spherical segment plane, and transitions with a ball neck transition region into an outer surface of the ball neck. According to the invention, the transition contour has a curved configuration having a non-constant radius.",
  "title": "TRAILER COUPLING HAVING A BALL NECK AND A COUPLING BALL, AND METHOD FOR PRODUCTION THEREOF"
}