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