Releasable lock for a motor vehicle locking system
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United States of America Patent
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-
Aug 16, 2011
Grant Date -
Aug 14, 2008
app pub date -
Feb 22, 2006
filing date -
Mar 4, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A disengageable cylinder for a motor vehicle lock mechanism includes a fixed stator, a sleeve, a rotor, a driver, and an indexer. The sleeve is mounted in rotation about its axis in the stator, and is fixed axially with respect to the stator. The rotor is mounted in rotation in the sleeve and is fixed axially in the sleeve. The driver is connected in translation on the rotor. The indexer, which can move axially between rest and disengagement positions, is connected in translation on the stator. When an appropriate key is inserted in the rotor, the driver couples the rotor and a cam actuator in rotation, releasing the lock. When an inappropriate key is inserted, the rotor and sleeve rotate, causing the indexer to move toward the cam actuator. Because the indexer is rotationally immovable as a result of its connection with the stator, the cam actuator cannot rotate.
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