Center differential unit and planetary gear
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United States of America Patent
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-
Sep 16, 2003
Grant Date -
Oct 31, 2002
app pub date -
Apr 26, 2002
filing date -
Apr 26, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A planetary gear type center differential unit contains a carrier, a first sun gear and a second sun gear provided interiorly of the carrier, a first and second pinions respectively meshing with the first and the second sun gears, a pinion member having a shaft-receiving hole and carrying the first pinion and the second pinion therearound, and a pinion shaft made of carbon/carbon composite. The pinion shaft is supported by the carrier at one end and is inserted into the shaft-receiving hole of the pinion member, so that the pinion shaft directly supports the pinion member so as to rotate.
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