| 摘要 |
PROBLEM TO BE SOLVED: To provide a locking mechanism for doors for locking a bar member and a handle in cremorne fastening in the condition where it is unlocked, that is in the condition where a dead bolt is contained in a connection member. SOLUTION: A cut part 28 is provided in a bar member 12, a stopper 23 to face the cut part 28 at a retraction limit position of a dead bolt is provided on a connection member 1, a spring member energized to lock advance/ retraction of the bar member 12 by inserting the stopper 23 into the cut part 28 when the stopper 23 faces the cut part 28 is provided, and an unlocking means to press the stopper 23 or the spring member to remove the stopper 23 from the cut part 28 is provided.
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