| 摘要 |
A low-profile, binary, sliding tumbler, user-settable combination lock of few parts can be easily and quickly opened, even in the dark. The lock generally comprises a stationary case or frame including a bottom plate, a middle plate and a top plate, a plurality of laterally sliding binary tumblers, and a longitudinally sliding bolt. The tumblers have a bearing portion sandwiched for lateral sliding movement between the top plate and the middle plate. Each tumbler has a handle extending upward and a locking member extending downward for selective engagement with transverse channels in the bolt. When the bolt is disengaged, the top plate can be removed and the tumblers can be changed or exchanged so as to change the combination. The lock may be modified to include any number of tumblers in multiple rows such that the combination may be very large.
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