Four-wheel drive vehicle
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United States of America Patent
Stats
-
Mar 27, 1990
Issued Date -
N/A
app pub date -
Aug 11, 1988
filing date -
Dec 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A four-wheel drive vehicle has an engine output shaft; a transmission having an input shaft connected to the output shaft and an output shaft connected through a transmission mechanism to the input shaft; a drive gear meshed with an output gear connected to the output shaft of the transmission; a front wheel side power transmitting mechanism; a rear wheel side power transmitting mechanism; a center differential mechanism coaxial with the drive gear and having an input member connected to the drive gear, a first output member connected to the front wheel side power transmitting mechanism, and a second output member connected to the rear wheel side power transmitting mechanism; a front differential gear coaxial with the center differential mechanism and connected to the first output member of the center differential mechanism; a power converting gear mechanism for converting a rotation about a first axis to a rotation about a second axis being perpendicular to the first axis to transmit power to the rear side power transmitting mechanism, having an input gear coaxial with the center differential mechanism and connected to the second output member of the center differential mechanism; and a hydraulic friction clutch mechanism arranged coaxially with the center differential mechanism to selectively lock the center differential mechanism.
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