One or more fasteners fasten an end portion adjacent to the shaft engaging portion of {HEAD ~ the mounting cap} in abutting {TAIL ~ contact} with the roller frame assembly 
in abutting
One or more fasteners fasten an end portion adjacent to the shaft engaging portion of { HEAD ~ the mounting cap } in abutting { TAIL ~ contact } with the roller frame assembly
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH