Patent ID: 8042674

Claim:
A clutch device comprising: a first clutch element a second clutch element that is disposed in a coaxial manner in relation to the first clutch element; a first engagement element; a second engagement element provided for engaging with the first engagement element in a positively interlocking manner for transmitting a torque between the first clutch element and the second clutch element; and a spring biasing the first engagement element and the second engagement element in a circumferential direction against each other; wherein the clutch device is designed for connecting a motor vehicle engine with a transmission of the motor vehicle; the spring comprises a leg spring with a ring part and two legs, the ring part is not closed in the circumferential direction and therefore comprises two open ends, one of the two open ends is connected to one of the legs, and the ring part is disposed in a substantially coaxial relation to the first and second clutch elements and the legs extend in a radially outward direction; and the first clutch element transmits during normal operation a torque in a main rotational direction to the second clutch element, wherein the spring biases the first engagement element in said main rotational direction against the second engagement element so that the first engagement element is with a load side in contact with a load side of the second engagement element.