Often times the links and the keeper arms had to be soldered to {TAIL ~ the pivot bar} to prevent {HEAD ~ movement} therebetween 
Often times the links and the keeper arms had to be soldered to { TAIL ~ the pivot bar } to prevent { HEAD ~ movement } therebetween
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH