Patent ID: 6309322
Filing Date: 2001-10-30
Classification: F16H

Abstract:
A power train of automatic transmission constructed and arranged to assemble a double pinion planetary gear set to an input shaft receiving a rotating power from engine for rotation to thereby embody a speed shift of four advance speeds and one reverse speed, the power train comprising:an under drive clutch connected to a rear of under drive sun gear via a first power transmission member;a reverse clutch connected to a rear of reverse sun gear via a second power transmission member;a second speed brake mounted at a transmission housing for restraining rotation of the second power transmission member;a one-way clutch connected to a rear of long pinion via a third power transmission member and disposed at the transmission housing;an over drive clutch for variably connecting the input axle to a planetary carrier;a tube portion extensively formed at the transmission housing between the planetary gear set and an oil pump to pierce the input shaft;a bearing member assembled to a peripheral surface of the tube portion by a locking nut;a transfer drive gear secured to the bearing member by a snap ring;a transfer driven gear mounted by a snap ring in order to receive power by being meshed with the transfer drive gear; anda transfer shaft for mounting the transfer driven gear and for arranging a deep drive gear at one side thereof in short length to transfer power.