| 摘要 |
PURPOSE: A door locking apparatus is provided to protect the possessions and the life of a user by increasing the security of a manual opening and closing button and preventing non-permitted intrusion. CONSTITUTION: A housing(90) is formed at the indoor side of a door. A locking bar(20) is embedded in the one side of the housing. The locking bar is slid from one side of the housing and is inserted into an insertion groove formed at sidewall or another door. The locking bar is combined with the insertion groove or is released from the insertion groove. A driving unit drives the locking bar. A manual opening and closing button(50) applies a signal to the driving unit.
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