a first fastener for fastening between said first end portion and said roller frame assembly, said first end portion being in {HEAD ~ contact} with {TAIL ~ said roller frame assembly} when said mounting cap is clamped to said roller frame assembly 
a first fastener for fastening between said first end portion and said roller frame assembly , said first end portion being in { HEAD ~ contact } with { TAIL ~ said roller frame assembly } when said mounting cap is clamped to said roller frame assembly
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH