Upon continued operation of the actuator, the leaf spring is deflected about a fulcrum which is at least partially formed by {HEAD ~ the body} of {TAIL ~ polymeric material} 
of
Upon continued operation of the actuator , the leaf spring is deflected about a fulcrum which is at least partially formed by { HEAD ~ the body } of { TAIL ~ polymeric material }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL