Since the lever cam end directly abuts the striker member , {HEAD ~ an upward pivot action} of the lever cam end causes {TAIL ~ the striker member} to pivot about the striker pivot bolt thereby releasing the striker member from the pronged keeper  
causes
Since the lever cam end directly abuts the striker member , { HEAD ~ an upward pivot action } of the lever cam end causes { TAIL ~ the striker member } to pivot about the striker pivot bolt thereby releasing the striker member from the pronged keeper
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH 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