Clutch module having a cover plate attached to the flywheel by means of a bayonet type fitting

A clutch module comprising a mechanism (11), a clutch friction wheel (12), and a flywheel (13), said mechanism (11) itself comprising a cover plate (14) by which it is attached on the flywheel (13) in which mounting means (39) of the bayonet fitting type are interposed between the cover plate (14) and the flywheel (13), and comprise, on the cover plate (24), at least two sectors (40) which are elongated in the circumferential direction and spaced apart on a circle so as to subtend an angle (A1) at the center, wherein each of the sectors (40) have a transversely projecting engagement lip (41) over a least a part of its length, and in addition, on the flywheel (13), an equal number of bosses (42), each of which, being elongated in the circumferential direction and being spaced apart from each other by an angle (A2) subtended thereby at the center and being at least equal to the angle (A1) subtended by a sector (40) of the cover plate (14), each of said bosses having, over at least a part of its length measured from one of its circumferential ends, a transverse groove (44) with which the engagement lip (41) of a said sector (40) is in engagement, and in that the engagement lip (41) of a sector (40) of the cover plate (14) extends radially away from the axis of the assembly, and in combination therewith, said groove (44) being formed on the surface of the boss facing towards said axis.