{
  "$type": "site.standard.document",
  "description": "There is disclosed a drawbar coupling comprising: a funnel around a bushing, a housing cap fixed to the bushing, and a torsional spring; wherein: the funnel is configured to rotate with respect to the bushing and the housing cap; the funnel defines a toroidal groove in which the torsional spring is…",
  "path": "/patents/1400191",
  "publishedAt": "2026-01-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60D1/01",
    "HYVA HOLDING BV [NL]"
  ],
  "textContent": "There is disclosed a drawbar coupling comprising: a funnel around a bushing, a housing cap fixed to the bushing, and a torsional spring; wherein: the funnel is configured to rotate with respect to the bushing and the housing cap; the funnel defines a toroidal groove in which the torsional spring is received, and the housing cap comprises a corresponding recess within which the torsional spring is received, such that the torsional spring is disposed between the funnel and the housing cap; and the torsional spring is provided with a first spring tail and a second spring tail, wherein each spring tail is in contact with both the funnel and the housing cap when the funnel is in an equilibrium position with respect to the housing cap, such that the first spring tail and the second spring tail are configured to apply a biasing torque to the funnel and the housing cap respectively to bias the funnel and the housing cap towards the equilibrium position.",
  "title": "A DRAWBAR COUPLING"
}