Patent ID: 7832299

Claim:
A gear-type transmission apparatus, comprising: a first input shaft; a second input shaft provided at the first input shaft so as to be coaxial with the first input shaft and rotatable relative to the first input shaft; a first counter shaft and a second counter shaft, both of which being arranged in parallel to the first and the second input shafts; an output shaft; a dual clutch mechanism having a first clutch and a second clutch for transmitting a rotation of a driving shaft driven by a power source to the first and the second input shafts; a first gear change mechanism arranged to selectively engage at least one of the first and the second input shafts with the first counter shaft; a second gear change mechanism arranged to selectively engage at least the other of the first and the second input shafts with the second counter shaft; a reverse gear set having a reverse shift stage driving gear provided at one of the first and the second input shafts, a reverse shift stage intermediate gear provided at one of the first and the second counter shafts and operably engaged with the reverse shift stage driving gear, and a reverse shift stage driven gear provided at the other one of the first and the second counter shafts and operably engaged with the reverse shift stage intermediate gear; and a switching clutch having a reverse shift stage engaging member for establishing/interrupting a torque transmission from the driving shaft to the output shaft via the reverse shift gear set.