Fixed center constant velocity joint
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United States of America Patent
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May 30, 2017
Issued Date -
N/A
app pub date -
Dec 5, 2007
filing date -
Dec 5, 2007
priority date (Note) -
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Abstract
A constant velocity joint includes an outer member defining a plurality of outer member ball tracks and an inner member defining a plurality of inner member ball tracks. The outer member ball tracks and the inner member ball tracks cooperate to define a plurality of uniform funnels having a uniform width along a longitudinal axis, and a plurality of diverging funnels having a diverging width along the longitudinal axis. A drive ball is disposed within each of the uniform funnels and the diverging funnels. A cage is disposed between the outer member and the inner member, and defines a plurality of windows with one of the drive balls disposed within each of the windows. The diverging funnels urge the drive balls along the longitudinal axis to pre-load the cage, while the uniform funnels do not urge the drive balls along the longitudinal axis, thereby reducing the amount of heat generated between the cage and the drive balls.
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