{HEAD ~ A load pin}, having at least one sensor, is mounted through the universal joint type coupler as a pivot pin and is oriented within the universal joint type coupler so that {TAIL ~ at least some} of the installation torque is transmitted through said load pin and is measurable by said at least one sensor 
{ HEAD ~ A load pin } , having at least one sensor , is mounted through the universal joint type coupler as a pivot pin and is oriented within the universal joint type coupler so that { TAIL ~ at least some } of the installation torque is transmitted through said load pin and is measurable by said at least one sensor
HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH