High security lock
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jul 19, 2012
app pub date -
Dec 20, 2011
filing date -
Sep 5, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A high security lock includes a lock bolt movable between extended and retracted positions, a bolt retraction gear coupled to the lock bolt, and a manually-driven gear train. When a controller verifies that user-input information is correct for unlocking the lock, the bolt retraction gear and manually-driven gear train are operatively coupled such that the gear train can drive the lock bolt from the extended position to the retracted position.
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