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