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