| 摘要 |
A pre-assembled front-loading lock having a first cam fixedly mounted on its shaft, a second cam parallel to the first cam and rotatably mounted on the shaft, and a locking member fixedly mounted on the shaft to secure the second cam against rotation with respect to the first cam when the second cam has been rotated about the shaft a predetermined amount. As a result, the lock with the cams can be pressed through a panel opening and the cams thereafter be readily moved into operating position. A stop is provided on the locking member to prevent the second cam from being rotated in the wrong direction.
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