Tapered roller bearing

US2016281773A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2016281773-A1
Application numberUS-201615074508-A
CountryUS
Kind codeA1
Filing dateMar 18, 2016
Priority dateMar 23, 2015
Publication dateSep 29, 2016
Grant date

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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 tapered roller bearing includes an outer ring having an outer-ring raceway surface that increases in diameter from a first side toward a second side in an axial direction, an inner ring having an inner-ring raceway surface and having a cone large face rib that is located on the second side of the inner ring in the axial direction, a plurality of tapered rollers, an annular cage, and a holding member provided on the second side of the outer ring in the axial direction to enable a lubricant inside the bearing to be held. The holding member has a cylindrical portion provided adjacently to the outer ring and a protruding portion protruding inward from the cylindrical portion in the radial direction. A slit is formed in the cylindrical portion to separate a radially inner portion, on which the protruding portion is provided, from a radially outer portion.

First claim

Opening claim text (preview).

What is claimed is: 1 . A tapered roller bearing comprising: an outer ring having an outer-ring raceway surface that increases in diameter from a first side toward a second side of the outer ring in an axial direction; an inner ring having an inner-ring raceway surface facing the outer-ring raceway surface and having a cone back face rib that is located on the second side of the inner ring in the axial direction and that protrudes outward in a radial direction; a plurality of tapered rollers interposed between the outer-ring raceway surface and the inner-ring raceway surface; an annular cage that holds the tapered rollers spaced at intervals in a circumferential direction; and a holding member provided on the second side of the outer ring in the axial direction to enable a lubricant inside the bearing to be held, wherein the holding member has a cylindrical portion provided adjacently to the outer ring and a protruding portion protruding inward from the cylindrical portion in the radial direction, and a slit is formed in the cylindrical portion to separate a radially inner portion, on which the protruding portion is provided, from a radially outer portion. 2 . The tapered roller bearing according to claim 1 , wherein a position of an axially-second-side end surface of the radially inner portion coincides with a position of an axially-second-side end surface of the radially outer portion with respect to the axial direction. 3 . The tapered roller bearing according to claim 1 , wherein the holding member has a fitting portion that is fitted into a part of the outer ring so that the holding member is integrated with the outer ring. 4 . The tapered roller bearing according to claim 2 , wherein the holding member has a fitting portion that is fitted into a part of the outer ring so that the holding member is integrated with the outer ring.

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What does patent US2016281773A1 cover?
A tapered roller bearing includes an outer ring having an outer-ring raceway surface that increases in diameter from a first side toward a second side in an axial direction, an inner ring having an inner-ring raceway surface and having a cone large face rib that is located on the second side of the inner ring in the axial direction, a plurality of tapered rollers, an annular cage, and a holding…
Who is the assignee on this patent?
Jtekt Corp
What technology area does this patent fall under?
Primary CPC classification F16C19/364. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Thu Sep 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).