Patent ID: 7287633

Claim:
A supporting structure of a multiple-plate clutch, comprising: a clutch drum having an outer cylindrical portion in which a spline is formed on an inner periphery, an inner cylindrical portion, and a bottom wall portion formed at one axial end; a hub in which a spline is formed on an outer periphery; a piston for pressing, in the axial direction, a first frictional engaging element which is spline-fitted to the inner periphery of said outer cylindrical portion and a second frictional engaging element which is spline-fitted to said hub, wherein said multiple-plate clutch is bearing-supported at both sides, in the axial direction, of a position of a center of gravity of said multiple-plate clutch, wherein said bearing-supporting is provided at a portion of a front edge side of said of said inner cylindrical portion and at a portion of the bottom wall side of said inner cylindrical portion, and wherein said bearing-supporting at said portion of said bottom wall side is provided integratedly with a thrust bearing for said bottom wall portion.