Specifically, {HEAD ~ the arm} 28 is pivotally connected to {TAIL ~ an outwardly extending portion} of the bracket 27 with a through bolt 29 
Specifically , { HEAD ~ the arm } 28 is pivotally connected to { TAIL ~ an outwardly extending portion } of the bracket 27 with a through bolt 29
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH