Friction unit and a method of making it, and a torsion damper in

Details Friction unit and a method of making it, and a torsion damper in Friction unit and a method of making it, and a torsion damper in

1997-03-31

1998-10-13

Walsh, Donald P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Torque transmitted via flexible element

Coil spring

19221322, 19221331, F16D 325

Patent

active

058204660

ABSTRACT:
A torsion damper, especially for a motor vehicle friction clutch, includes a friction unit, or unitary friction assembly, that comprises a guide ring, at least one drive ring, and axially acting resilient members in biassing relationship on the drive ring. The drive ring and these resilient members are mounted in a cavity which is bounded by the guide ring and by a closure ring which is secured to the guide ring. The closure ring is formed at its inner periphery with at least two axial stop lugs for preventing rotation. The stop lug penetrates into an associated aperture which is formed in the guide ring.

REFERENCES:
patent: 4533031 (1985-08-01), Nagano
patent: 4537296 (1985-08-01), Lech, Jr. et al.
patent: 4573562 (1986-03-01), De Land
patent: 4635780 (1987-01-01), Wiggen
patent: 4928805 (1990-05-01), Takeuchi et al.
patent: 4998608 (1991-03-01), Raab et al.
patent: 5059155 (1991-10-01), Tojima

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