In the embodiment shown, {HEAD ~ the trasfer device} comprises {TAIL ~ two plates} 6, 7 rigidly connected to one another through a bridge 8 and mounted on a shaft 9 
comprises
In the embodiment shown , { HEAD ~ the trasfer device } comprises { TAIL ~ two plates } 6 , 7 rigidly connected to one another through a bridge 8 and mounted on a shaft 9
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH