Patent ID: 6612414
Filing Date: 2003-09-02
Classification: F16D

Abstract:
A hydraulically controlled clutch release bearing for a clutch with a diaphragm spring (13) having a fixed portion (5,6) comprising an inner support tube (6) an outer body (5) concentric therewith defining a blind annular cavity (50) of axial orientation capable of being supplied with fluid and inside which is mounted, so as to be axially movable, a tubular piston (4) having a rear end capable to engage in said cavity (50) and a front end with a drive member (3) capable of acting on the diaphragm spring, wherein the rear end (44) of the piston (4) has a seal (45) joined thereto by means of a joining piece anchored in said seal (45) and mounted by snapping onto said rear end (44).