In preferred modifications of the invention, {HEAD ~ the pin} is slightly broadened or curved toward the interior so that it will not drop out of the bore when the joint ball is removed, but can be driven in through the extension provided with {TAIL ~ the outer cone} for the joint ball 
In preferred modifications of the invention , { HEAD ~ the pin } is slightly broadened or curved toward the interior so that it will not drop out of the bore when the joint ball is removed , but can be driven in through the extension provided with { TAIL ~ the outer cone } for the joint ball
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH