Key cylinder device
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
May 17, 2016
filing date -
May 29, 2015
priority date (Note) -
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Abstract
A key cylinder device includes a cylindrical rotor case, a rotor rotatably enclosed in the rotor case, a sleeve fixedly disposed between the rotor and the rotor case, and a tumbler moving in a radial direction inside the rotor by insertion and extraction of a mechanical key into and from the rotor. The sleeve includes a hole not engaged with the tumbler by the insertion of the mechanical key and engaged by the extraction of the mechanical key, and a dividing wall formed at a middle of the hole, the dividing wall receiving the tumbler. A part of the dividing wall is engaged with a recessed groove formed on an inner peripheral surface of the rotor case.
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