Cylinder lock and key with side bar
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United States of America Patent
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May 13, 2014
Grant Date -
N/A
app pub date -
May 22, 2013
filing date -
May 22, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cylinder lock and key combination includes a cylinder lock with a housing accommodating a rotatable key plug having a keyway. A row of tumbler pins are arranged in corresponding cylindrical chambers for engagement with coded V-cut bittings of an associated key. A longitudinal side bar with a row of inner projecting lugs each selectively registering with one or more recesses in the tumbler pins is slidingly journalled for transversal movement in the key plug. The coded V-cut bittings are at a respective angle and are located at a respective vertical level. The row of inner projecting lugs of the side bar is located above the top bitting level of the key blade. The tumbler pins are positioned in pin recesses located in a cylindrical outer surface and covered by a cylindrical wall part of an associated one of said cylindrical chambers, without communicating downwardly with the keyway.
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