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