| 摘要 |
The invention relates to a friction clutch consisting of primary and secondary disks and a pressure plate. The clutch also includes an actuator with two coaxial rings that can be rotated independent of one another. The rings compress the disks during relative rotation. In order to provide an actuator which operates accurately and with zero loss, an electric motor having at least one drive wheel is provided for the relative rotation of both rings. The drive wheel is drivingly connected to the two rings by a traction means. Two chains of the traction means lead from the drive wheel to the rotatable rings, wherein the ends of the chains are fixed to their corresponding ring, and the two rings have different diameters.
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