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