Clutch assembly cone spring having wear protection means

Details Clutch assembly cone spring having wear protection means Clutch assembly cone spring having wear protection means

1994-08-16

1996-03-26

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192109A, F16D 1348

Patent

active

055013120

ABSTRACT:
A clutch cover assembly 3 having a disk-shaped clutch cover 4, an annular pressure plate 5, a cone spring 6, and a diaphragm spring 7. The pressure plate 5 is disposed in the clutch cover 4 and has a pressing surface 5a. The cone spring 6 is disposed on the opposite side of the pressure plate 5 in the clutch cover 4, and has its radial inner end supported on the clutch cover and its radial outer end biasing the pressure plate 5. Within the clutch cover, a hardened support member coupled to the cover is provided to engage at least one inner portion of the cone spring 6 in order to minimize wear associated with engagement with the spring 6 as it moves in response to movement of the pressure plate 5. The hardened support member is provided in the present invention is a number of forms. In one embodiment the hardened support member is integrally formed with the clutch cover 4. In another embodiment the hardened support member is a ring 10 formed with a lip 10a which engages a displaceable end of the cone spring 6.

REFERENCES:
patent: 4254853 (1981-03-01), Huber
patent: 4602708 (1986-07-01), Nagano
patent: 4949829 (1990-08-01), Tojima et al.
patent: 4951553 (1990-08-01), Kohno
patent: 5022508 (1991-06-01), Fukuda
patent: 5088584 (1992-02-01), Inaba et al.
patent: 5301782 (1994-04-01), de Briel et al.
patent: 5400887 (1995-03-01), Mizukami et al.

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