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:
May. 01, 2012
Filed:
Apr. 02, 2010
Applicants:
Masao Takeuchi, Azumino, JP;
Masami Murai, Shiojiri, JP;
Shigeaki Seki, Matsumoto, JP;
Tomokazu Yoshida, Shiojiri, JP;
Inventors:
Masao Takeuchi, Azumino, JP;
Masami Murai, Shiojiri, JP;
Shigeaki Seki, Matsumoto, JP;
Tomokazu Yoshida, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 19/02 (2006.01); G04B 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A timepiece wheel train includes a rotating body with a shaft unit, a bearing unit that rotatably supports the shaft unit of the rotating body, and a lubricating oil in which powder from a diamond-like carbon film is dispersed disposed between the shaft unit and the bearing unit.