Patent ID: 7267215

Claim:
An engaging/disengaging device having an axis and engaging or disengaging a double clutch having a first clutch and a second clutch, comprising: at least two first pistons corresponding to the first clutch, each having a first pressure surface; at least two second pistons corresponding to the second clutch, each having a second pressure surface, the first and second pistons disposed parallel to the axis-along a graduated circle defined by a radius from the axis, the graduated circle disposed concentric to the axis; a plurality of piston guideways, each receiving one of the first and second pistons, wherein the first pressure surfaces are couplable to each other and the second pressure surfaces are couplable to each other, so that the first and second pistons can move in the piston guideways, the first pressure surfaces being mechanically coupled in the engaging/disengaging device; and an outer cylindrical body component and an inner cylindrical body component, and a first ring and a second ring disposed concentrically about the axis between the outer cylindrical body component and the inner cylindrical body component, the first ring being mechanically linked with the at least two first pistons and the second ring mechanically linked to the at least two second pistons.