| 摘要 |
Fifth wheels are used to establish an articulated connection between a truck tractor and a semi-trailer. Provided in the present invention is a fif th wheel for articulated connection of a tractor to a semitrailer, comprising: a coupling plate supported on the tractor, having as its bearing surface at least one arc-shaped sliding lining, which is secured to the coupling plate so tha t it cannot twist, wherein the bottom side of the sliding lining has form-fitted connection elements fashioned as lands extending radially outward from a virtual midpoint in an opening in the coupling plate, wherein the upper side of the coupling plate has form-fitted connection elements fashioned as complementary grooves to cooperate with said lands, and wherein to maintain the form-fit, hold-down elements are provided in the form of elastically flexible detente elements at the free end of the lands, which can engage with the grooves of the coupling plate.
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