| 摘要 |
PROBLEM TO BE SOLVED: To provide a security function member that has "means for continuously using the security function member" even when a lock operation is disabled by the loss, failure, theft or the like of a key for a lock.SOLUTION: The same opening can be locked or unlocked by any one of other locks 1-A or locking/unlocking operation members and a dummy lock 12-A or a locking member, even when a locking/unlocking operation of any one of the plurality of locks 1-A and locking/unlocking operation members having a common gate bar 2-A provided in the same opening of the security function member cannot be performed. |
