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