192 clutches and power-stop control – Clutches – Axially engaging
Patent
1997-04-03
1998-11-24
Marmor, Charles A.
192 clutches and power-stop control
Clutches
Axially engaging
192111A, F16D 1375
Patent
active
058395598
ABSTRACT:
To allow a pivotal movement of a diaphragm spring when engaging and disengaging the clutch, a radially intermediate part of the diaphragm spring is supported by a J-shaped fulcrum support portions formed by lifting and curving a part of an inner peripheral part of an annular clutch cover. The fulcrum support portions are formed integrally with an annular disk formed along an inner periphery of an end plate of the clutch cover which is resiliently supported by a plurality of arcuate connecting pieces cut from the material of the clutch cover and extend circumferentially. As the wear of the facing progresses, the release load of the clutch increases due to the change in the operating point of the diaphragm spring. This increase in the release load causes the connecting pieces to deflect, and the fulcrum support portions to thereby move toward the clutch facing. The flexibility of the connecting pieces is selected so that the displacement of the fulcrum support portions corresponds to the amount of wear of the clutch facing. Thus, the configuration of the diaphragm spring can be kept fixed without regard to the wear of the clutch facing.
REFERENCES:
patent: 5251737 (1993-10-01), Flotwo
patent: 5431268 (1995-07-01), Mizukami
patent: 5450934 (1995-09-01), Maucher
patent: 5586633 (1996-12-01), Mizukami et al.
patent: 5588517 (1996-12-01), Kooy et al.
patent: 5628389 (1997-05-01), Wittmann et al.
patent: 5632365 (1997-05-01), Maucher
patent: 5641048 (1997-06-01), Von Gaisberg
patent: 5727666 (1998-03-01), Maucher
D.A. Davies, BSc; Paper 1. Friction Clutches and Clutch Control Mechanisms; Proc Instn Mech Engrs 1969-70; pp. 1-38; vol. 184 Pt 31.
Exedy Corporation
Marmor Charles A.
Rodriquez Saul
LandOfFree
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