Zf Friedrichshafen Ag

Bernard Sich

Axel Matheis

The invention relates to a stepless friction drive () in which friction wheels () are mounted. Said friction drive is provided with a system that allows a compensatory displacement of the corresponding friction wheel () when the input and output wheels are elastically deformed. Said system is mounted between the lower end of every support () and the hydraulic piston (). The compensation system comprises an upper bearing shell (), a lower bearing shell () and balls () that are maintained in a defined arrangement by means of a cage ().

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Friedrichshafen, Germany

Bernard Sich