| 摘要 |
A barrel lock assembly for a barrel comprises a gun lock, having a first lock and a second lock and a key having a key portion and a tubular handle. The first lock has a screw and an anchoring means. The second lock has a thread, a conical end, a cylinder which has a plurality of pins, and a column which has at least one cone. When locking with the key, the screw is rotated and the second lock is pulled toward the first lock, the conical end thereby pushes the anchoring means outwardly, thus locking the barrel. When an external load is exerted on the column, the cone abuts the pins against the barrel, thus preventing the gun lock from being knocked out of the barrel. After reaching a certain firmness the tubular handle is rotatable while the key portion remains stationary, so that the key will not be broken and the barrel will not be locked by over exertion.
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