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.
Patent No.:
Date of Patent:
May. 06, 2014
Filed:
Feb. 22, 2011
Isao Usuki, Yamatotakada, JP;
Hiroshi Ueno, Tondabayashi, JP;
Hirosato Nakanishi, Toyohashi, JP;
Masashi Sakaguchi, Yao, JP;
Kazuki Hamada, Kashiwara, JP;
Hironori Hiraoka, Yao, JP;
Isao Usuki, Yamatotakada, JP;
Hiroshi Ueno, Tondabayashi, JP;
Hirosato Nakanishi, Toyohashi, JP;
Masashi Sakaguchi, Yao, JP;
Kazuki Hamada, Kashiwara, JP;
Hironori Hiraoka, Yao, JP;
JTEKT Corporation, Osaka-shi, JP;
Abstract
A conical roller cage that implements a conical roller bearing that is able to suppress torque and that is able to smoothly supply lubricant to a raceway surface includes: a small-diameter annular portion, a large-diameter annular portion having a bore diameter larger than a bore diameter of the small-diameter annular portion, pillar portions that couple the small-diameter annular portion to the large-diameter annular portion and that are located at intervals from each other in a circumferential direction, roller partition wall portions each radially extending from a radial end face of a corresponding one of the pillar portions, and canopy portions each protruding from a radial end portion of a corresponding one the roller partition wall portions, at an opposite side to a side of the pillar portion, toward both sides in the circumferential direction.