Clutch release sleeve of clutch for powertrain of motor car, has shoulder whose projection portion is extended in axial direction and is engaged in spacing between segments formed in circumferential direction of diaphragm spring

摘要

The clutch release sleeve (1) has an inner ring (2), an outer ring (3) and rolling elements (4). The rolling elements are unreeled between the inner and outer rings. A shoulder (5) is provided by the inner ring, is set with a radius (R) and is provided with a round diaphragm spring (6). Several segments (7) are formed in circumferential direction of the diaphragm spring and are adhered with each other. The shoulder of the inner ring is provided with a projection portion (9) that is extended in axial direction and is engaged in spacing (A) between the segments.