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. 12, 2014
Filed:
Mar. 23, 2011
Takashi Ueno, Iwata, JP;
Takashi Ueno, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A retainer for a tapered roller includes a first side having a first radius and a second side having a second radius, wherein the first radius is smaller than the second radius, a first ring portion at the first side of the retainer, a second ring portion at the second side of the retainer, and a plurality of brace portions arranged between the first ring portion and the second ring portion. The retainer is made of a resin material and is configured to retain tapered rollers in pockets formed between the brace portions. A hook portion is formed at the second side of the retainer, and is engaged with an inner race on a second side having a larger radius than a first side thereof. An outer diameter of each pocket on the first side of the retainer is larger than an inner diameter of the hook portion.