| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that a user is troubled in the housing of a removed stopper and it results in loss in the case of unlocking because a bracket is installed previously on the door frame side, a locked state is brought by mounting the stopper obstructing the opening of a door on the bracket under the state, in which the door is closed, and an unlocked state is brought by removing the stopper in conventional lock devices. SOLUTION: A door lock is formed in a structure, in which a locking member 16 is lock-operated between the place of locking and the place of unlocking by key-operating a locking-unlocking section 17 as the section 17 is left as it is secured to the door or a door frame. Parts or the like need not be removed separately even in the case of unlocking.
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