Abstract: A clutch disc assembly comprising a hub, an outer flange formed on the hub; clutch plate and retaining plate with respective circumferential openings in the plates and a large diameter spring disposed in the openings, characterized by that the outer flange has a circumferentially opening larger than the openings in the plates; the large diameter spring having a hat-shaped first spring seat having a flange portion, a cylindrical portion and a bottom portion; a small diameter spring having a portion disposed in the cylindrical portion; a second spring seat; a coil spring seat for the second spring seat having an outer periphery being in contact with the flange portion of the first spring seat when the relative movement exceeds a predetermined value; and claw portions formed at both sides edges of the openings on the plates.

Abstract: A clutch cover assembly comprising a pressure plate; a diaphragm spring; a clutch cover; a release mechanism and a pair of wire rings forming fulcrums for the diaphragm spring; and characterized in that; said clutch cover is provided at the inner periphery with circumferentially spaced projections, which are bent and extended through openings in the diaphragm spring toward the pressure plate, said wire rings are supported from the inner peripheral sides and the sides opposite to the diaphragm spring by said projections, the wire ring is provided with a cut and an end portion which is bent and inserted without a play into a circumferential space between a side edge of the opening in the diaphragm spring and a side edge of the projection, so that said bent end portion may prevent rotation of the diaphragm spring relative to the clutch cover.