data cable 3 to the central control console 4 0053 fig8 schematically shows a draw frame 2 in which the slivers 35 are withdrawn from non illustrated coiler cans and enter a sliver guide 36 and pass by a measuring member 39 as they are pulled by calender rolls 37 38 in the working direction a the draw unit of the draw frame 2 is a 4 over 3 construction that is it has a lower output roll i a lower mid roll ii and a lower input roll iii as well as four upper rolls 40 41 42 and 43 in the draw unit a drafting of the slivers is taking place and the drafted slivers are introduced at the outlet of the draw unit into a sliver guide 44 and are by means of calender rolls 45 and 46 pulled through a sliver trumpet 47 in which the slivers are combined into a single sliver 48 which is subsequently deposited into a non illustrated coiler can the calender rolls 37 38 the lower input roll iii and the lower mid roll ii which are mechanically coupled to one another for example by means of a tooth belt are driven by.