Torsion damping center and a clutch plate assembly having such a

Details Torsion damping center and a clutch plate assembly having such a Torsion damping center and a clutch plate assembly having such a

1978-11-01

1981-06-02

Kannan, Philip C.

192 clutches and power-stop control

Clutches

Operators

192 30V, 1921062, F16D 314

Patent

active

042706459

ABSTRACT:
A torsion damping center and a clutch plate assembly incorporating the torsion damping center are disclosed. The torsion damping center comprises a first hub which is the actual hub of the clutch plate assembly and which is coaxial to a second hub and mounted for relative angular displacement within predetermined limits, and a damper ring operatively interposed between the hubs for a range of relative angular displacements. The damper ring comprises a pair of identical annular plates of sheet metal construction and a pad of elastic material sandwiched between the plates and bonded thereto. The plates have at least one tooth at their inner periphery for connection for rotation with the first and second hubs respectively. The damper ring constitutes a first damping stage; the second damping stage comprising a series of circumferentially disposed coil springs interposed between the second hub and a friction disc carried on an annular subassembly.

REFERENCES:
patent: 2234443 (1941-03-01), Macbeth
patent: 2556624 (1951-06-01), Macbeth et al.

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