The links compensate for {HEAD ~ an arc} formed by {TAIL ~ the link pivot connections} on the axle assembly as it rotates about the longitudinal pivot axis 
formed by
The links compensate for { HEAD ~ an arc } formed by { TAIL ~ the link pivot connections } on the axle assembly as it rotates about the longitudinal pivot axis
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH