| 摘要 |
Improvement to a torsion damper device such as a double damping flywheel, in order to reduce the effects resulting from the deformation of the springs of this device, resulting from centrifugal force. According to the invention, each spring 15 mounted between two articulated baseplates 22a, 22b comprises a median portion d in which the turns are of reduced dimensions with respect to the turns of the two neighbouring end portions e. Application to a motor vehicle transmission. <IMAGE>
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