Invention Grant
- Patent Title: Timepiece wheel train and timepiece
- Patent Title (中): 钟表车轮和钟表
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Application No.: US12753380Application Date: 2010-04-02
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Publication No.: US08167481B2Publication Date: 2012-05-01
- Inventor: Masao Takeuchi , Masami Murai , Shigeaki Seki , Tomokazu Yoshida
- Applicant: Masao Takeuchi , Masami Murai , Shigeaki Seki , Tomokazu Yoshida
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agent Mark P. Watson
- Priority: JP2009-091844 20090406; JP2010-014306 20100126; JP2010-046440 20100303
- Main IPC: G04B19/02
- IPC: G04B19/02 ; G04B29/00
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.
Public/Granted literature
- US20100254230A1 Timepiece Wheel Train and Timepiece Public/Granted day:2010-10-07
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