Patent ID: 8205521

Claim:
A dual clutch transmission that is equipped with a double clutch, including a first clutch and a second clutch, and a device for preventing double engagement, wherein the device for preventing double engagement comprises: a control bar in which a hole is formed from a first surface to a second surface that is opposite to the first surface; a first rail and a second rail that are respectively slidably disposed along the first surface and the second surface of the control bar; first elastic members that respectively bias the first rail and the second rail to maintain a neutral position in a normal state; a first stopper member and a second stopper member that are mounted in respective inner grooves of the first rail and the second rail and in which the end portions thereof are disposed to protrude from the first surface and the second surface thereof, wherein the first and second stopper members are selectively engaged with the control bar; second elastic members that elastically support the first and second stopper members and insert the first or second stopper member into the hole according to the movement of the first or second rails; and a first release lug and a second release lug that respectively extends from the first rail and the second rail along a third surface and a fourth surface of the control bar, wherein a dent, in which the first or second stopper member is mounted, the dent being formed in the middle of an end surface of the first and second release lugs, and a knoll being formed adjacent to the dent so as to push the first or second stopper and release the first or second stopper member from the control bar according to the movement of the first or second rail.