Patent ID: RE39669

Claim:
A transmission device of a four-wheel drive vehicle, comprising: an input shaft connected to an engine for transmitting a driving force; a hollow counter shaft extended in parallel to said input shaft; shift gear trains provided between said input shaft and said hollow counter shaft; a first output shaft disposed in a hollow portion of said counter shaft for transmitting the driving force to a final reduction gear of one of front and rear wheels; a first drive gear disposed at an end portion of said counter shaft; a first driven gear engaging with said first drive gear and rotating about a rotating axis of said input shaft; a second drive gear rotated integrally with the first driven gear about the rotating axis of said input shaft; a second driven gear disposed at a base end side of the first output shaft and engaging with said second drive gear; and a second output shaft coupled with said second drive gear through a variable mechanism to transmit the driving force to a final reduction gear of the other one of the front and rear wheels.