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