Dual synchronization system of manual transmission
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United States of America Patent
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-
Apr 29, 2003
Grant Date -
Jul 4, 2002
app pub date -
Oct 24, 2001
filing date -
Dec 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dual synchronization system of a manual transmission constructed in the dual set of a plurality of keys to be attached to the internal side of a synchronizer sleeve by a synchronizer ring, first and second key sets being positioned apart at a predetermined degree of angle along the circumferential direction of a synchronizer ring, wherein the first key set attaching the synchronizer ring close to a clutch gear at the initiation of synchronization and the second key set pushing the synchronizer ring close to the clutch gear after the completion of synchronization, thereby continuously maintaining the frictional force between the synchronizer ring and the clutch gear to achieve stable shifting feelings.
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