a roller frame assembly adapted for pivotally mounting to said machine, said {HEAD ~ roller frame assembly} including {TAIL ~ at least one idler wheel} and guide roller 
including
a roller frame assembly adapted for pivotally mounting to said machine , said { HEAD ~ roller frame assembly } including { TAIL ~ at least one idler wheel } and guide roller
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH