Damper disc assembly

Details Damper disc assembly Damper disc assembly

1997-06-19

1999-08-17

Marmor, Charles A

192 clutches and power-stop control

Clutches

Axially engaging

1922132, F16D 1358

Patent

active

059379847

ABSTRACT:
To provide a separate hub type damper disc assembly in which a force to be applied to engagement projections is reduced in view of the fatigue service life and a weight of a hub is reduced by reducing a size of the hub while maintaining a satisfactory durability of the hub, the damper disc assembly 1 includes a hub 2, a flange 3, first torsion springs 4, a clutch plate 5 and a retaining plate 6. The hub 2 has a plurality of engagement projections 2c and 2d on its outer circumferential portion. The flange 3 is disposed on the outer circumference of the hub 2 and has, in the inner circumferential portion, engagement cutaway portions 3b and receiving cutaway portions 3c. Engagement cutaway portions are engaged with the engagement projections 2c and 2d through a predetermined gap. The first torsion springs 4 are received in spaces defined by the adjacent engagement projections 2d and the receiving cutaway portions 3c. The clutch plate 5 is connected to the flange 3.

REFERENCES:
patent: 4185728 (1980-01-01), Gatewood
patent: 4613029 (1986-09-01), Beccaris
patent: 5718317 (1998-02-01), Hashimoto et al.

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