US Patent 6843605 Roller thrust bearing
Patent 6843605 was granted and assigned to NTN Corporation on January, 2005 by the United States Patent and Trademark Office.
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Patent abstract
There is provided a roller thrust bearing providing reduced differential slip, free of significant friction and wear, and providing increased longevity against flaking. The present invention provides a thrust bearing in the form of a roller thrust bearing including at least two radially arranged rows of rollers and a cage holding the rollers, the rollers including at least one roller crowned.
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Patent Inventor Names
Hirokazu Nakashima0
Kenji Tamada0
Kikuo Maeda0
Mitsuo Sasabe0
Takumi Fujita0
Tomoaki Kawamura0
Date of Patent
January 18, 2005
0Patent Application Number
102473270
Date Filed
September 20, 2002
0Patent Primary Examiner
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US Patent 6843605 Roller thrust bearing
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