{
  "$type": "site.standard.document",
  "description": "A combination of tractor (12) and trailer (14) includes a drive engine (18), at least one electronic control unit (34, 48) and trailer coupling (16). The coupling has at least one electronic and/or hydraulic connection (54, 58). At least one sensor (42) is fitted to the trailer coupling, to…",
  "path": "/patents/1073675",
  "publishedAt": "2005-09-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60D1/58",
    "DEERE & CO [US]"
  ],
  "textContent": "A combination of tractor (12) and trailer (14) includes a drive engine (18), at least one electronic control unit (34, 48) and trailer coupling (16). The coupling has at least one electronic and/or hydraulic connection (54, 58). At least one sensor (42) is fitted to the trailer coupling, to generate signal for the mechanical coupling state of the trailer apparatus.",
  "title": "Combination tractor and trailer"
}