| 摘要 |
A friction clutch for motor vehicles has a casing which can be connected in a rotationally fixed manner to a driven flywheel mass. A pressure plate is arranged inside the casing with a pressure spring supported between the clutch casing and the pressure plate so that the pressure plate presses a clutch disk, which is provided with friction linings, onto the flywheel mass. The pressure spring, during engagement of the clutch, exerts a varying pressure force on the pressure plate. The friction clutch also having a device which acts on the pressure plate and varies essentially proportionally to the force of the pressure spring to force of the pressure plate.
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