BALL-TYPE CROSS GROOVE JOINT
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United States of America Patent
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app pub date -
Oct 8, 2015
filing date -
Mar 31, 2015
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Abstract
A ball-type cross groove joint may include: an outer race rotated by rotation power received from an engine, and having a plurality of ball grooves formed on an inner surface thereof; an inner race installed in the outer race, and having an equal number of ball grooves to those of the outer race, the ball grooves being formed on an outer surface thereof; a plurality of balls transferring the rotation power of the outer race to the inner race; and a cage having a plurality of cage windows each supporting two balls among the plurality of balls.
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