{HEAD ~ a stationary shaft} mounted to said {TAIL ~ roller frame assembly}, wherein one of said idler wheel and said guide roller is rotatable mounted to said roller frame assembly about said stationary shaft 
mounted to
{ HEAD ~ a stationary shaft } mounted to said { TAIL ~ roller frame assembly } , wherein one of said idler wheel and said guide roller is rotatable mounted to said roller frame assembly about said stationary shaft
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH 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