Dudley locks have three code-wheels inside them. When you pull up on the shackle, the latch presses into the stack of wheels. Each wheel has a deep notch in it (real gate). If the notches are lined up together at the right place, the latch is able to move in, and the lock can open. Also note that the front wheel is at the very front of the pack, and attached to the dial.
达德利(Dudley)密码锁内部有三个代码轮盘。当你向上提拉锁梁时,锁闩会压向这组轮盘。每个轮盘上都有一个深凹槽(即“真门”)。如果这些凹槽在正确的位置对齐,锁闩就能嵌入其中,锁便随之打开。另外请注意,前轮位于轮组的最前端,并与刻度盘直接相连。