| 摘要 |
A padlock is provided with bidirectional locking pins so that a key can be turned in either direction to operate the padlock. The padlock has a circular slot in the bottom portion to allow the insertion of a cylindrical key which has teeth and recesses corresponding with the lock pins. A locking ball holds a U-shaped lock bar in place. When the key is turned the ball moves inwardly to release the lock bar and to unlock the padlock. Turning the key in the opposite operation will lock the padlock.
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