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