{
  "abstract": "The invention relates to a kingpin ( 10 ) for a fifth-wheel coupling of a utility vehicle, with a journal shaft ( 3 ) which extends along a centre axis (M) and has a journal head ( 2 ) at its lower end, wherein the journal shaft ( 3 ) has a fastening flange ( 4 ) at its upper end remote from the journal head ( 2 ), and with a receiving flange ( 5 ) which is placed onto the upper end of the journal shaft ( 3 ) and is fixed to the fastening flange ( 4 ). According to the invention, a measuring device for detecting driving-dynamic reaction forces is provided, wherein the measuring device is arranged in a cavity ( 15 ) which is formed in the fixed state between the receiving flange ( 5 ) and the upper end of the journal shaft ( 3 ).",
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  "published_at": "2026-09-15T19:02:53.715845Z",
  "publisher": "Nebula Innovations Limited",
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  "source_date": "2026-04-16",
  "source_id": "US-2026104299-A1",
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  "title": "Kingpin for a fifth-wheel coupling, fifth-wheel coupling with kingpin, and utility vehicle therewith",
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