{HEAD ~ A stub shaft} 53 extends through {TAIL ~ the flanges} 51 and 52 to form a hinged connection between the frame 20 and the plate 48,  
{ HEAD ~ A stub shaft } 53 extends through { TAIL ~ the flanges } 51 and 52 to form a hinged connection between the frame 20 and the plate 48 ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH