{HEAD ~ Stationary shafts} are mounted to the roller frame assembly and rotationally support {TAIL ~ the idler wheel} and guide rollers 
rotationally support
{ HEAD ~ Stationary shafts } are mounted to the roller frame assembly and rotationally support { TAIL ~ the idler wheel } and guide rollers
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH