Variable progression key notching system
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United States of America Patent
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Oct 11, 2016
Grant Date -
Aug 27, 2015
app pub date -
Feb 24, 2014
filing date -
Feb 24, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A progressive key notching system that includes a plurality of key notches positioned along at least one surface, such as, for example, a top surface, of a key blade. Each of the plurality of key notches includes a central axis. The central axes of at least one pair of adjacent key notches are separated by a distance that is different than a distance separating another, adjacent pair of key notches. Further, when the key blade is operably positioned within a key slot, at least one of the central axes may be offset from a chamber central axis of an adjacent retention pin chamber. Moreover, one or more of the chamber central axes may be aligned with a portion of a trailing surface and/or leading surface of an adjacent key notch.
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