A fifth wheel for use between a tractor and a trailer wherein the trailer has a king pin comprising a frame mounted on the tractor, a lower plate member, an intermediate plate member formed of a low friction material and mounted on the lower plate member, an upper plate member covering the low friction layer, a coupling support mounted on the upper plate member and a king pin retention device mounted on the coupling support.
King pin coupler
2016-11-29
Patent
Elektronische Ressource
Englisch