METHOD AND APPARATUS FOR A REKEYABLE MASTER KEY LOCK
A rekeyable master lock includes a plurality of pin gears, with each pin gear engaged with a corresponding key follower. As each key follower rides up and down on the key biting, it causes a corresponding pin gear to rotate. Each pin gear engages a user gear and a master gear so that, as the pin gea...
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Sprache: | eng ; fre |
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