Configuration for retaining clutch cover assembly release-load c

Details Configuration for retaining clutch cover assembly release-load c Configuration for retaining clutch cover assembly release-load c

1997-11-20

1999-11-23

Marmor, Charles A

192 clutches and power-stop control

Clutches

Axially engaging

192 8923, F16D 1350, F16D 1344

Patent

active

059883391

ABSTRACT:
Reduced-dimension configuration for retaining a diaphragm spring release-load compensating conical spring in a push-type clutch. The clutch diaphragm spring is retained by a support mechanism that includes axially extending, circularly spaced supports, fixed to the clutch cover, that pass through holes formed at the inter-digital vertices of the diaphragm spring fingers. A diaphragm spring annular pivot is provided on the supports, on the clutch cover side of the diaphragm spring. One edge of the conical spring is supported on an engagement surface of the clutch cover, and the other edge is seated on the diaphragm spring. Engagement tabs project from the edge of the conical spring that is supported on the clutch cover. The engagement tabs are engaged into conical spring engagement holes formed in the clutch cover, or in an alternative embodiment, into inter-digital holes of the diaphragm spring not penetrated by the circularly spaced supports. The engagement tabs thus rigidly retain the conical spring against rotation relative to the clutch cover, or in the alternative embodiment, relative to the diaphragm spring. The configuration reduces the axial dimension of the assembly, on the clutch cover side of the diaphragm spring, to the axial height of the conical spring/diaphragm spring annular pivot, thereby reducing the bending moment on the supports when the clutch is operated.

REFERENCES:
patent: 4210233 (1980-07-01), Courbot
patent: 4450945 (1984-05-01), Caray
patent: 4989709 (1991-02-01), Takeuchi
patent: 5152385 (1992-10-01), Maucher
patent: 5168974 (1992-12-01), Rivolta et al.
patent: 5501312 (1996-03-01), Mizukami et al.
patent: 5636721 (1997-06-01), Weidinger

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