| 摘要 |
PURPOSE: A locking device for a door hinge is provided to reinforce the security of a hinged door by forming at least two lock bars to be locked or released in or from the other hinged door. CONSTITUTION: In a locking device for a door hinge, a first housing(210) formed in the indoor of the hinged door. A first lock bar(220) is buried in one side of the first housing and is slid from one side of the first housing, and it is inserted into an insertion groove to be locked or released. A latch(225) is spaced from the first lock bar and is slid from one side of the first housing. A second lock bar is buried in the other side of the housing and is slid from the other side of the first housing, and it is locked or released into or from the hook of the other hinged door. A second housing is formed outside of the hinged door.
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