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. 05, 2025
Filed:
Sep. 02, 2022
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Koji Sato, Shizuoka, JP;
Shinsuke Hirano, Shizuoka, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 25/22 (2006.01); H02K 7/06 (2006.01); F16H 25/20 (2006.01);
U.S. Cl.
CPC ...
F16H 25/22 (2013.01); H02K 7/06 (2013.01); F16H 2025/2081 (2013.01);
Abstract
A casingthat accommodates an electric motorand a ball screwas a motion conversion mechanismincludes a first casethat is made of an aluminum alloy and accommodates the electric motorand a second casethat is coupled to the first casein an axial direction in a state of accommodating the ball screw. The electric motoris supported by the second casevia a metal bracketand a screw, and the entire outer surface of at least one of the metal bracketand the second caseis covered with an insulating film C.