Joint mounted on rolling bearings
AssigneeIna Walzlager Schaeffler oHG
InventorErich Lunz
Life of this patent
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Abstract
A joint with a pin (1) comprising an inner member (2), a center member (6), a housing body (8) and a flange ring (12) arranged in one another via rolling bearings (4,5,10,13,14,18,19,20) for pivoting or rotating about their rotational axis (3,7,15) which advantageously create a rolling bearing-mounted joint which has a high rigidity and a comparatively low frictional and pivoting resistance useful for achieving a high positioning precision in machine tools of a hexapod system.
Claims8
A joint having a pin (1) carrying an element that is received via a rolling bearing for pivoting in an associated housing, wherein the pin (1) is received by an inner member (2), this inner member (2) is received via inner member four rolling bearings (4,5,19,20) arranged on its outer peripheral surface for pivoting about its rotational axis (3) in a center member (6), this center member (6) is received offset at 90° to the rotational axis (3) of the inner member (2) via center member rolling bearings (9,10) arranged on its outer peripheral surface for pivoting about its rotational axis (7) in a housing body (8) which is mounted offset at 90° to the rotational axis (3) of the inner member (2) and to the rotational axis (7) of the center member (6) in a flange ring (12) via housing body rolling bearings (13,14,18) arranged on its outer peripheral surface for rotation about its rotational axis (15), the rotational axes (3,7,15) of the inner member (2), the center member (6) and the housing body (8) starting from a common point.
Dependencies are inferred from the claim text.