A mechanism 1, wherein said bolt and said sleeve element have respective outer and inner surfaces in frictional sliding contact, and further comprising {HEAD ~ means} for lubricating {TAIL ~ said surfaces} from a position at said outer end of said bolt 
A mechanism 1 , wherein said bolt and said sleeve element have respective outer and inner surfaces in frictional sliding contact , and further comprising { HEAD ~ means } for lubricating { TAIL ~ said surfaces } from a position at said outer end of said bolt
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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH