Thus, {HEAD ~ the locking device} that retains {TAIL ~ the hinged door} 63 in its closed position comprises the elastically engaged portion 67a of the operating lever 67 and the U shaped engaging bar 62 of the base 1 
retains
Thus , { HEAD ~ the locking device } that retains { TAIL ~ the hinged door } 63 in its closed position comprises the elastically engaged portion 67a of the operating lever 67 and the U shaped engaging bar 62 of the base 1
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH