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The torsional damper device, the locking clutch to apparatus for more complex forms, in particular for motor vehicle, implementing such a torsion damping device, and more complex forms corresponding coupling appliance.
The torsional damper device, the locking clutch to apparatus for more complex forms, in particular for motor vehicle, implementing such a torsion damping device, and more complex forms corresponding coupling appliance.
The invention is concerned with a torsion damping device, of the kind comprising two coaxial parts which are mounted so as to be rotatable with respect to one another against the action of circumferentially acting resilient members, with a phasing ring operatively connected between the resilient members so that the resilient members are effectively mounted for operation in series with each other. The phasing ring is maintained in a radial relationship by a plurality of pads, which being separate from each other, are spaced apart circumferentially, with each pad being individually secured to an appropriate one of the coaxial parts. The pads are preferably made from a synthetic material. The invention is especially applicable to clutches of the lock up type for use in hydrokinetic coupling apparatus for automobiles.
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