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.:

US 9556907 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 31, 2017

Filed:

Oct. 24, 2013
Applicant:

Yasuhiro Shimizu, Mie, JP;

Inventor:

Yasuhiro Shimizu, Mie, JP;

Assignee:

NTN CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/46 (2006.01); F16C 19/36 (2006.01); F16C 33/56 (2006.01); F16C 19/38 (2006.01); B29C 45/00 (2006.01); B29L 31/04 (2006.01);
U.S. Cl.
CPC ...
F16C 33/4676 (2013.01); B29C 45/0025 (2013.01); F16C 19/364 (2013.01); F16C 33/4635 (2013.01); F16C 33/56 (2013.01); B29C 2045/0027 (2013.01); B29L 2031/045 (2013.01); F16C 19/38 (2013.01); F16C 2220/04 (2013.01);
Abstract

Gates (G) are uniformly arranged in a circumferential direction only in a large annular section (). The gates (G) are equal in number to a number of pockets (). The gates (G) are arranged only at sites positioned on planes (Pa) passing circumferential centers of the respective pockets (). Weld lines (W) are thus formed only in the vicinity of the planes (Pa) of a small annular section ().


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Shimizu, Yasuhiro. (2017). Retainer for tapered roller bearing (U.S. Patent No. 9556907). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9556907

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