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:
Feb. 08, 2005

Filed:

Dec. 04, 2002
Applicants:

Kunihiko Yokota, Nara, JP;

Kanichi Kouda, Osaka, JP;

Inventors:

Kunihiko Yokota, Nara, JP;

Kanichi Kouda, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C019/38 ;
U.S. Cl.
CPC ...
Abstract

According to this double row tapered roller bearing apparatus, an integral outer ring () is provided with oil vents () which extend from an inner peripheral face () in an area outward in an axial direction than a rolling face (B) on which an axially outward row of conical rollers () rolls and passes through an outer peripheral face (). Therefore, a portion of lubricating oil supplied from oil supply holes () in the integral outer ring () passes the oil vents () via the axially outward row of the conical rollers (), and will be returned to a space in a housing () by way of a channel () in the housing (). In conclusion, a circulating path of the lubricating oil through the outward row of the conical rollers () can be formed by the oil vents ().


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