Clutch plate for a motor vehicle friction clutch

Details Clutch plate for a motor vehicle friction clutch Clutch plate for a motor vehicle friction clutch

1992-11-17

1993-07-27

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

464 68, F16D 366

Patent

active

052304159

ABSTRACT:
In order to mount the lateral discs of a clutch plate, provided with a torsional vibration damper, of a motor vehicle friction clutch on a hub, there is provided a plastic ring (23) which is inserted with an annular part (29) into a central opening in one of the lateral discs. The plastics ring (23) has a plurality of sets of radially inwardly projecting blocks (41, 43, 45), separated from one another by slots (46), with a cylindrical segment-shaped internal contour (47). The blocks (41) of a first set are radially resilient and define an internal diameter (D1) such that these blocks can rest without radial pretension on the external contour of the hub. The blocks (43) of a second set pass into the noses (33) provided to prevent rotation and, like the blocks (45) of a third set, are not resilient. The blocks (43, 45) of the second and third set define internal diameters (D1, D3) which are greater than the internal diameter (D1) of the first set, the internal diameter (D3) of the third set being smaller than the internal diameter (D2) of the second set. The blocks (45) of the third set rest via the annular part (29) directly on the central opening of the lateral disc and restrict the spring travel of the radially resilient blocks (41) of the first set. The blocks (43) of the second set which are not directly radially supported owing to radial tolerances of the lateral discs in the region of the noses (33) are therefore used to restrict the spring travel of the blocks (41) of the first set only after the blocks (45) of the third set are worn.

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