Patent ID: 6357570
Filing Date: 2002-03-19
Classification: F16D

Abstract:
A friction clutch, comprising a reaction plate (202) designed to be mounted in rotation on a driving shaft, a friction disc (200) carrying at its outer periphery at least one friction liner (201), adapted to be mounted in rotation on a driven shaft, a pressure plate (1, 101), a cover plate (2, 108) fixed on the reaction plate (202), axially acting clutch engagement means (3, 103) which are controlled by declutching means and which act between, firstly, the cover plate (2, 108) and, secondly, the pressure plate (1, 101) through interposed abutment means (14), the pressure plate (1, 101) being fixed to the cover plate (2, 108) for rotation with the cover plate while being displaceable axially with respect to the cover plate and being subjected to the action of elastic return means biasing the pressure plate (1, 101) axially towards the cover plate (2, 108), said clutch also including a wear take-up device, one of the abutments of the clutch engaging means (3, 103) being displaceable axially and the wear take-up device including a compensating means actuated by an actuating means and arranged to effect the said displacement, said actuating means being controlled by a triggering means in association with a detection means responsive to wear in the friction liner (201) and acting on at least one of the actuating means, compensating means and triggering means, wherein the wear take-up device further includes so-called divergence means carried by one of the elements in the group consisting of the compensating means, actuating means, triggering means and detection means, adapted to modify rapidly, for a predetermined amount of wear in the friction liner (201), the position of control members for the declutching means.