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