Weather-resistant lock apparatus
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United States of America Patent
Stats
-
Mar 1, 2005
Grant Date -
Oct 7, 2004
app pub date -
Jun 27, 2003
filing date -
Apr 3, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lock core unit of a weather-resistant lock apparatus includes an inner shell received in and rotatable relative to a lock shell, a plurality of locking plates received in and rotatable relative to the inner shell and cooperating to form a keyhole of the lock core unit, a locking unit operably associated with the locking plates for locking the inner shell against rotation relative to the lock shell in a locking state of the locking plates, and for unlocking the inner shell for rotation relative to the lock shell in an unlocking state of the locking plates, a latch actuator coupled to the inner shell, and a plurality of spacer plates, each of which is disposed between an adjacent pair of the locking plates. The spacer plates are made of a material with a hardness less than that of the locking plates.
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