be seen the operation of the pot spinning machine has progressed in sequence to the stage shown in fig1 h which is the same as indicated in fig1 a at the beginning of the described sequence the yarn guide 6 has been returned to the spinning position in the spinning pot 2 simultaneously the drafting device has supplied the sliver 12 as indicated by the arrow 51 the arrow 52 indicates that the yarn guide 6 is again reciprocating upwardly and downwardly to build a fresh spinning cake 11 in the spinning pot 2 in a cross winding fashion in the course of this operation the finished spinning cops 39 have been transported away on the conveyor belt 21 and the conveyor belt 21 has again been equipped with fresh empty tubes 18c and at the same time the conveyor belt 21 has again been positioned and stopped such that the empty arbors 22 have been disposed directly underneath the spinning stations in the embodiment utilizing a conveyor belt 23 the conveyor belt 23 continues to travel underneath each working spinning station whose associated restraining lever 41 has therefore been retracted thus independently of the work of the spinning station located above it the conveyor belt 23 transports carriers which may be randomly equipped with empty tubes or.