The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 25, 2011

Filed:

Feb. 15, 2006
Applicants:

Hiroshi Ueno, Tondabayashi, JP;

Hiroki Matsuyama, Nara, JP;

Hiroyuki Chiba, Kashiwara, JP;

Seiji Nakahama, Osaka, JP;

Inventors:

Hiroshi Ueno, Tondabayashi, JP;

Hiroki Matsuyama, Nara, JP;

Hiroyuki Chiba, Kashiwara, JP;

Seiji Nakahama, Osaka, JP;

Assignee:

JTEKT Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 33/34 (2006.01); F16C 33/58 (2006.01);
U.S. Cl.
CPC ...
Abstract

A roller bearing assembly is provided which is adapted to enhance lubrication performance for preventing seizure and for reducing frictional torque during rotation. The roller bearing assembly includes an inner ring (), an outer ring () and a roller () rollably interposed between these inner and outer rings. The inner ring () is formed with a rib () making contact with a greater end face () of the roller () for guiding the rolling motion of the roller (). A recess () is formed centrally of the greater end face () of the roller (). A stopper member () for preventing oil invasion is fitted in the recess () of the roller ().


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