{HEAD ~ The apparatus} 5, wherein {TAIL ~ the stop element} includes an endless member, which is guided, at the beginning and at the end of the section of the circulatory path, around deflection rollers and bears against the rests with an aligning strand 
wherein
{ HEAD ~ The apparatus } 5 , wherein { TAIL ~ the stop element } includes an endless member , which is guided , at the beginning and at the end of the section of the circulatory path , around deflection rollers and bears against the rests with an aligning strand
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH