RETAINER FOR A RADIAL NEEDLE BEARING AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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N/A
Issued Date -
Jan 28, 2016
app pub date -
Feb 27, 2014
filing date -
Mar 1, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Construction of a retainer for a radial needle bearing is achieved that is able to prevent needles 4 from coming out of pockets 5a even before assembling the radial needle bearing, and is able to sufficiently lessen stress concentration due to force being applied to column sections 3a caused by variation in the speed of revolution of the needles 4. The center sections in the axial direction of the columns 3a are located further on the inner-diameter side than the diameter of the pitch circle of the needles 4, and both end sections in the axial direction of the column sections 3a are located further on the outer-diameter side than the diameter of the pitch circle of the needles 4. Thick sections 13 are formed in portions on both end sections in the axial direction of the column sections 3a that are continuous with the pair of rim sections 2a.
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