US Patent 8118683 Joint shaft and roller displacement UNIT THEREFOR

A jointed shaft with two shaft sections which are connected together in a rotationally fixed manner via a central shaft which is constructed as a constant velocity fixed joint. A constant velocity fixed joint is also arranged on the end of each of the shaft sections which is oriented away from the central joint. At least one roller displacement unit, which enables both shaft sections to be displaced in an axial manner in relation to each other, is also provided.