DUAL LOCKING DEVICE OF A MARINE DOOR CAPABLE OF DUALLY LOCKING A DOOR THROUGH A SEPARATE RETRACTOR FIXING UNIT

摘要

PURPOSE: A dual locking device of a marine door is provided to safely defense the people inside hull from the attack of pirates by preventing the disassembling of the locking unit of a marine door through a dual locking.;CONSTITUTION: A dual locking device of a marine door comprises a frame(100), a door plate(200), a packing holder, a locking member(400), and a fixing unit(500). The Frame is perpendicularly projected in the hull wall of a ship from the circumference of an opened space portion. The door plate is rotatably coupled with the rotational hinge which is installed in one side of a frame. The packing holder is formed in order to accept a packing to the inside circumference of the rear door plate. The locking unit is rotatably installed in the rear door plate. The fixing unit is respectively installed in the rear door plate. The fixing unit fixes the other side of the locking unit.;COPYRIGHT KIPO 2012