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