Invention Grant
- Patent Title: Chain guide and chain drive apparatus
- Patent Title (中): 链条导轨和链条传动装置
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Application No.: US14125459Application Date: 2012-06-08
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Publication No.: US09562593B2Publication Date: 2017-02-07
- Inventor: Shinji Oishi , Akio Kato , Takahiro Yamashita , Katsufumi Abe
- Applicant: Shinji Oishi , Akio Kato , Takahiro Yamashita , Katsufumi Abe
- Applicant Address: JP Osaka
- Assignee: NTN CORPORATION
- Current Assignee: NTN CORPORATION
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2011-131231 20110613; JP2011-165424 20110728
- International Application: PCT/JP2012/064789 WO 20120608
- International Announcement: WO2012/173056 WO 20121220
- Main IPC: F16H7/08
- IPC: F16H7/08 ; F16H7/12 ; F16H7/20 ; F16H7/18 ; F16C13/00 ; F16C33/58 ; F16C19/46
Abstract:
An object of the present invention is to provide a chain guide superior in silence, which includes: a guide base extending in a traveling direction of a chain; a plurality of roller shafts attached to the guide base at an interval along the traveling direction of the chain; and rollers each rotatably supported by one of the roller shafts. The roller has a cylindrical outer circumferential surface for guiding the chain. The outer circumferential surface of the roller has a cylindricity not greater than 20 μm.
Public/Granted literature
- US20140274512A1 CHAIN GUIDE AND CHAIN DRIVE APPARATUS Public/Granted day:2014-09-18
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