{TAIL ~ The stop} comprises a rod 37 which is slidable in a bearing 38 mounted on {HEAD ~ the carrier} 18 
{ TAIL ~ The stop } comprises a rod 37 which is slidable in a bearing 38 mounted on { HEAD ~ the carrier } 18
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH