Constant velocity universal ball joint
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United States of America Patent
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Nov 11, 1997
Grant Date -
N/A
app pub date -
Nov 13, 1995
filing date -
Nov 11, 1994
priority date (Note) -
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Abstract
A fixed constant velocity universal ball joint has an outer joint part with an inner aperture including substantially longitudinally extending outer ball tracks. An inner joint part forms a hub member positioned in the inner aperture of the outer joint part. The inner joint part includes substantially longitudinally extending inner ball tracks. Torque transmitting balls are guided in outer and inner ball tracks associated with one another in pairs. The ball tracks are curved in the longitudinal direction. An annular ball cage is positioned between the outer joint part and inner joint part. The cage includes circumferentially distributed cage windows which hold the balls in a common plane and guide the balls onto an angle bisecting plane when the joint is articulated. The ball tracks are asymmetric in section. The outer track pairs of two adjoining outer ball tracks are formed in the outer joint part. The outer ball tracks extend parallel relative to one another. The inner track pairs of two adjoining inner ball tracks are formed in the inner joint part. The inner ball tracks extend parallel relative to one another. The respective outer and inner track pairs are associated with one another.
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