Needle bearing and speed reducer using the needle bearing
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United States of America Patent
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N/A
Issued Date -
Nov 4, 2004
app pub date -
Mar 31, 2004
filing date -
Mar 31, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A radial inner end of a retainer is spaced radially outwardly from a radial outer end of a sliding-contact region, and with this construction the axial movement of each needle roller is limited not by the retainer but by an inner ring, and a restriction flange. Therefore, a large axial force developing in the needle rollers is received by the inner ring and the restriction flange, and as a result, the retainer having low rigidity can be satisfactorily used. Therefore, any suitable material such as a synthetic resin can be selected for the retainer, and besides the wall thickness of the retainer can be made small.
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Cited Art Landscape
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