A FIFTH WHEEL ASSEMBLY FOR COUPLING A TRAILER TO A TRUCK TRACTOR AND A METHOD FOR OPERATING SAID ASSEMBLY

摘要

A fifth wheel assembly (3) for coupling a trailer to a truck tractor, comprising a fifth wheel (4) and a supporting structure (11 ) for supporting the fifth wheel on the rear part of the tractor truck. The supporting structure includes a sliding arrangement (11 , 12) enabling the fifth wheel (4) to be repositioned between different positions. A number of sensors (35,36,37) are positioned on the supporting structure (11 ) and on the fifth wheel (4) and are included in a control system for predetermined information and control of operating conditions.