Image Number 6 for United States Patent #7251967.
A padlock includes a base shell, a cover shell pivoted to and openably covered on the base shell to define with the base shell a storage chamber therebetween, a shackle movably mounted in the base shell, and two combination lock sets each having a latch engagable with the base shell for locking the cover shell to the base shell, a plurality of numbered wheels extending out of through holes of the cover shell, and a movable plate actuatable by the numbered wheels to move relative to the latch for engaging or disengaging the latch to further have the latch engage or disengage with the base shell so as to lock or unlock the cover shell to the base shell.
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