Constant velocity universal joint
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United States of America Patent
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May 8, 2001
Grant Date -
N/A
app pub date -
Feb 11, 1999
filing date -
Feb 20, 1998
priority date (Note) -
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Abstract
A constant velocity universal joint comprising: an inner race having a plurality of inner grooves; an outer race having a plurality of outer grooves; a plurality of balls arranged individually in the plurality of inner grooves and in the plurality of outer grooves; and a retainer for retaining the plurality of balls. The center of curvature of the plurality of inner grooves and the center of curvature of the plurality of outer grooves are set on the both sides of a bisector. The plurality of inner grooves are formed helically in the inner race, and the plurality of outer grooves are formed helically in the outer race. The adjoining inner grooves are inclined in opposite directions, and the adjoining outer grooves are inclined in opposite directions.
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