| 摘要 |
A combination lock with code protection device is provided. The lock includes a casing mounted with conventional numeral dials, a pair of posts capable of mounting the tabs of a single double zipper fastener or a dual double zipper fastener, a rotatable switch covering the posts when the lock is in locked position and uncovering the posts when the lock is in unlocked position and a detent rotatably disposed into a circular hole for checking a slide for facilitating the changing of a new combination code for the lock. This disclosure is characterized in the protection of the combination code old or new from disturbed by unintentional rotation of the dials.
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