A further subsidiary object is to provide {HEAD ~ a bushing} having {TAIL ~ external projections} for a pivot pin 
having
A further subsidiary object is to provide { HEAD ~ a bushing } having { TAIL ~ external projections } for a pivot pin
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH