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:
Aug. 23, 2016
Filed:
Mar. 07, 2013
Roller bearing cage and manufacturing method therefor as well as roller bearing manufacturing method
Nakanishi Metal Works Co., Ltd., Osaka-shi, JP;
Michiyuki Kamiji, Osaka, JP;
Masaki Okano, Osaka, JP;
Hiroyuki Maeda, Osaka, JP;
Yoshio Kawatake, Osaka, JP;
Kenji Teshima, Osaka, JP;
Yasuki Yabubayashi, Osaka, JP;
Tomomi Hosokawa, Osaka, JP;
NAKANISHI METAL WORKS CO., LTD., Osaka-shi, JP;
Abstract
A roller bearing cage (A) is configured such that a pair of ring parts () axially separated from each other is connected by column parts () sliding on outer peripheral surfaces of rollers (RA), and pocket holes (P) are evenly formed to store and hold the rollers (RA) in a peripheral wall portion in a circumferential direction. The cage (A) is manufactured such that a base body () including the ring part () and the column parts () with square columnar convexes (A) and a connection body () including the ring part () with square holes (A) are set as separate members.