| 摘要 |
PROBLEM TO BE SOLVED: To provide a shackle lock capable of preventing the lock from being illegally unlocked by deforming a locking rod. SOLUTION: A notch 15 in the outside of the front end 13 of the locking rod 5 is formed in the shackle lock 1, and since locking pieces 17a and 17b are locked with the notch, even if the locking rod 5 is tried to widen by using a jack or the like, the locking can not be unlocked. Even if the locking rod 5 is tried to crush by applying force in the opposite direction, a notch 21 is formed inside of the front end 19, and since locking pieces 17c and 17d are locked with the notch 21, the locking can not be unlocked, the lock is unpickable accordingly.
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