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:
Sep. 26, 2017

Filed:

Aug. 03, 2015
Applicant:

Ntn Corporation, Osaka, JP;

Inventors:

Tatsuya Hayashi, Kuwana, JP;

Mitsuhiro Moriuchi, Kuwana, JP;

Assignee:

NTN CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/38 (2006.01); F16C 33/49 (2006.01); F16C 33/56 (2006.01); F16C 33/44 (2006.01); B29C 45/14 (2006.01); B29C 45/16 (2006.01); B29C 45/26 (2006.01); F16C 33/46 (2006.01); F16C 33/41 (2006.01); B29L 9/00 (2006.01); B29L 31/04 (2006.01); B29K 101/00 (2006.01); B29K 105/20 (2006.01);
U.S. Cl.
CPC ...
F16C 33/3887 (2013.01); B29C 45/14819 (2013.01); B29C 45/1671 (2013.01); F16C 33/3831 (2013.01); F16C 33/418 (2013.01); F16C 33/44 (2013.01); F16C 33/467 (2013.01); F16C 33/4611 (2013.01); F16C 33/4635 (2013.01); F16C 33/498 (2013.01); F16C 33/56 (2013.01); B29K 2101/00 (2013.01); B29K 2105/20 (2013.01); B29L 2009/005 (2013.01); B29L 2031/04 (2013.01); F16C 33/41 (2013.01); F16C 33/49 (2013.01);
Abstract

A rolling bearing retainer which is formed by insert molding a resinous material together with a core member within a mold, in which the core member is embedded within a resin part made of the resinous material and a support area exposure part is provided at a plurality of locations of the resin part for exposing a support area of the core member supported within a cavity of the mold. The resin part includes a ring shaped body and a plurality of support column bodies extending axially from the ring shaped body and defining a pocket for retaining a rolling element therebetween, and the core member is provided with a ring shaped body embedded part and a plurality of support column body embedded parts extending from the ring shaped body embedded part.


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