More specifically, the present invention relates to double hinged doors wherein the inactive door has an inactive door lock that does not allow the active door lock to be engaged in a locked position unless {HEAD ~ the inactive door lock} is engaged in {TAIL ~ a locked position} 
is engaged in
More specifically , the present invention relates to double hinged doors wherein the inactive door has an inactive door lock that does not allow the active door lock to be engaged in a locked position unless { HEAD ~ the inactive door lock } is engaged in { TAIL ~ a locked position }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL