It is seen that in the above description, {HEAD ~ the hitch} has {TAIL ~ pins} extending from its central beam receivable within bushings in the supporting arms 
has
It is seen that in the above description , { HEAD ~ the hitch } has { TAIL ~ pins } extending from its central beam receivable within bushings in the supporting arms
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH