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:
Jan. 10, 2012
Filed:
Feb. 10, 2011
Izumi Ohashi, Iwata, JP;
Sadatsune Kazama, Iwata, JP;
Izumi Ohashi, Iwata, JP;
Sadatsune Kazama, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A retained roller assembly, capable of facilitating the lubricating functionality, includes a cylindrical roller retainer having a plurality of pockets defined therein and arranged in a circumferential direction thereof, rollers accommodated within those pockets, respectively, and a roller retaining projection formed in opening edges of side faces, opposite to each other in the circumferential direction and situated on an inner diametric side and an outer diametric side, respectively. A roller guide face for guiding the corresponding roller is provided at an axial position on the side faces of each of the pockets that are different from the associated roller retaining projection. An annular recessed portion is provided in axially opposed ends of an inner diametric surface of the retainer so as to deploy over the entire periphery of the retainer.