Importance

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Abstract

A cross member unit (9) has a cross member (10) with four arms (11). Two each are centered on axes (y, z) extending perpendicular relative to one another. The two arms (11) of one axis (y, z) are received in one yoke arm (19) of a joint yoke. Each arm (11) is associated with a bearing bush (13) rotatably supported by rolling contact members (14). A centering element (23), with a pressure element (29) and a spring element (28), are positioned in each arm. The spring element (28) is supported against the arm (11) and loads the bearing bush (13) via the pressure element (29). The bearing bushes (13) associated with one axis (y, z) are received in the two yoke arms (19) of a joint yoke. If the yoke arms (19) are deformed due to rotational-speed-related centrifugal forces, the pressure elements (29) remain in contact with the bearing bushes (13). In this way, the cross member unit (9) is held in a centered way relative to the joint yoke.

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First Claim