Roller bearing

US9011019B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9011019-B2
Application numberUS-201214003552-A
CountryUS
Kind codeB2
Filing dateMar 16, 2012
Priority dateMar 25, 2011
Publication dateApr 21, 2015
Grant dateApr 21, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A roller bearing capable of effectively improving the service life of the roller bearing is provided by performing surface treatment with coating. A cylindrical roller bearing includes: an outer ring having an outer ring raceway surface; an inner ring having an inner ring raceway surface that faces the outer ring raceway surface; and a plurality of cylindrical rollers rollably disposed between the outer ring raceway surface and the inner ring raceway surface. The inner ring raceway surface of the inner ring is provided with a black oxidation coating, and a rolling contact surface of each cylindrical roller is provided with a diamond-like carbon coating.

First claim

Opening claim text (preview).

The invention claimed is: 1. A roller bearing, comprising: a fixed ring having a fixed raceway surface; a rotary ring having a rotary raceway surface that faces the fixed raceway surface; and a plurality of rollers rollably disposed between the fixed raceway surface and the rotary raceway surface, wherein, out of the rotary raceway surface and a rolling contact surface of each of the rollers, one of the surfaces is provided with a black oxidation coating and the other surfac…

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Frequently asked questions

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What does patent US9011019B2 cover?
A roller bearing capable of effectively improving the service life of the roller bearing is provided by performing surface treatment with coating. A cylindrical roller bearing includes: an outer ring having an outer ring raceway surface; an inner ring having an inner ring raceway surface that faces the outer ring raceway surface; and a plurality of cylindrical rollers rollably disposed between …
Who is the assignee on this patent?
Kobayashi Yasuhiro, Hosaka Ryohei, Jtekt Corp
What technology area does this patent fall under?
Primary CPC classification F16C33/62. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Apr 21 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).