Preferably, said {TAIL ~ 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 1.5 times the number of rollers of {HEAD ~ the rollers crown} 
Preferably , said { TAIL ~ 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 1.5 times the number of rollers of { HEAD ~ the rollers crown }
OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD