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. 14, 2018
Filed:
Nov. 18, 2013
Applicant:
Kuroda Precision Industries Ltd., Kawasaki-shi, Kanagawa, JP;
Inventor:
Yoshimi Iwasaki, Kisarazu, JP;
Assignee:
Kuroda Precision Industries Ltd., Kawasaki-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/24 (2006.01); F16H 55/02 (2006.01); B29C 45/00 (2006.01); B29C 45/17 (2006.01); F16B 37/00 (2006.01); F16H 25/24 (2006.01); B24B 19/02 (2006.01); B29K 81/00 (2006.01); F16H 25/22 (2006.01); B29L 1/00 (2006.01); B29K 105/12 (2006.01);
U.S. Cl.
CPC ...
B29C 45/0055 (2013.01); B24B 19/022 (2013.01); B29C 45/0005 (2013.01); B29C 45/178 (2013.01); F16B 37/00 (2013.01); F16H 25/24 (2013.01); B29C 2045/0012 (2013.01); B29C 2045/0058 (2013.01); B29K 2081/04 (2013.01); B29K 2105/12 (2013.01); B29K 2905/12 (2013.01); B29K 2995/0012 (2013.01); B29L 2001/005 (2013.01); F16H 25/2214 (2013.01); F16H 2025/249 (2013.01);
Abstract
In a plastic nut for a ball screw formed by injection molding fiber reinforced plastic, the reduction in precision over time due to wear is minimized. A thread groove is ground until the fibers in matrix plastic are exposed on the surface of the thread groove.