In order to secure locking bar 1 in its relative position to the locking bar hooks and to avoid the possibility of {HEAD ~ an accidental displacement} from {TAIL ~ such position}, bolt 2 may be circumferentially or rotatively fixed relative to door 6 
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In order to secure locking bar 1 in its relative position to the locking bar hooks and to avoid the possibility of { HEAD ~ an accidental displacement } from { TAIL ~ such position } , bolt 2 may be circumferentially or rotatively fixed relative to door 6
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH