{HEAD ~ A rubber piston} 32 is attached in {TAIL ~ a known manner} to a proximal end 34 of the shaft 26, opposite the thrust plate 28 
is attached in
{ HEAD ~ A rubber piston } 32 is attached in { TAIL ~ a known manner } to a proximal end 34 of the shaft 26 , opposite the thrust plate 28
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH