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:
Jan. 14, 2025
Filed:
Dec. 08, 2020
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Takashi Koike, Iwata, JP;
Yasuyuki Fukushima, Iwata, JP;
Yusuke Shibuya, Iwata, JP;
Daichi Kondou, Iwata, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 19/52 (2006.01); F16C 19/54 (2006.01); F16C 35/12 (2006.01); G01L 5/00 (2006.01);
U.S. Cl.
CPC ...
F16C 19/522 (2013.01); F16C 19/548 (2013.01); F16C 35/12 (2013.01); G01L 5/0019 (2013.01);
Abstract
A bearing device includes: at least one bearing that has a rolling element and a raceway surface to support a main shaft; a member disposed on a path through which pressing force generating a preload between the rolling element and the raceway surface is transmitted; and at least one load sensor element fixed to the member to measure the pressing force. At least one load sensor element is a chip component including a thin film pattern of which resistance changes according to the pressing force and a protective layer that insulates and protects thin film pattern.