A U shaped metal spring is disposed over {HEAD ~ the solid shaft} adjacent {TAIL ~ an outboard end} of the tubular shaft with opposite legs of the spring in sliding engagement on corresponding flat sides of the solid shaft 
adjacent
A U shaped metal spring is disposed over { HEAD ~ the solid shaft } adjacent { TAIL ~ an outboard end } of the tubular shaft with opposite legs of the spring in sliding engagement on corresponding flat sides of the solid shaft
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH