Preferably, said curved plates of the transfer member are in number of two and are disposed opposite to one another, and said cam with concave lobes has a number of lobes equal to {HEAD ~ 1.5 times the number} of {TAIL ~ rollers} of the rollers crown 
of
Preferably , said curved plates of the transfer member are in number of two and are disposed opposite to one another , and said cam with concave lobes has a number of lobes equal to { HEAD ~ 1.5 times the number } of { TAIL ~ rollers } of the rollers crown
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH