an upper output roller and a lower output roller, the upper and lower output rollers fixedly mounted in {HEAD ~ relation} to the front stop mechanism and {TAIL ~ translatable therewith} 
an upper output roller and a lower output roller , the upper and lower output rollers fixedly mounted in { HEAD ~ relation } to the front stop mechanism and { TAIL ~ translatable therewith }
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 OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL