{HEAD ~ The forward end} of the yoke is pivotally mounted on {TAIL ~ a fixed transversely extending shaft} and the rear portion of the yoke slideably receives the bending shaft  
{ HEAD ~ The forward end } of the yoke is pivotally mounted on { TAIL ~ a fixed transversely extending shaft } and the rear portion of the yoke slideably receives the bending shaft
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH