The fulcrum extends across {TAIL ~ the width} of the leaf spring to enable {HEAD ~ force} to be transmitted between the fulcrum and the leaf spring across substantially the entire width of the leaf spring 
The fulcrum extends across { TAIL ~ the width } of the leaf spring to enable { HEAD ~ force } to be transmitted between the fulcrum and the leaf spring across substantially the entire width of the leaf spring
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH