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