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:
Apr. 28, 2020

Filed:

Sep. 02, 2016
Applicant:

Ntn Corporation, Osaka, JP;

Inventors:

Jyunichi Okamoto, Shizuoka, JP;

Shinji Yoshinaga, Shizuoka, JP;

Yukihiro Terada, Shizuoka, JP;

Assignee:

NTN CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 21/00 (2006.01); F16H 25/24 (2006.01); F16H 25/22 (2006.01); F16H 57/00 (2012.01);
U.S. Cl.
CPC ...
B23P 21/00 (2013.01); F16H 25/2204 (2013.01); F16H 25/24 (2013.01); F16H 57/00 (2013.01); F16H 25/2223 (2013.01); F16H 2025/2481 (2013.01); F16H 2057/0062 (2013.01);
Abstract

According to the present invention, a nut is in a state of being received by nut receiving means. In this state, a ball-embedding nozzle is fitted into the nut so that a gap between the inner circumference of the nut and the outer circumference of the ball-embedding nozzle is uniformly formed around the entire circumference thereof. Balls are supplied into a screw groove of the nut via a ball supply path in the ball-embedding nozzle.


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