Invention Application
- Patent Title: FLAT STRAIN WAVE GEARING
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Application No.: US15500605Application Date: 2014-08-06
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Publication No.: US20170219050A1Publication Date: 2017-08-03
- Inventor: Jun HANDA , Yoshihide KIYOSAWA , Noboru TAKIZAWA , Xin Yue ZHANG
- Applicant: Harmonic Drive Systems Inc.
- Applicant Address: JP Shinagawa-ku, Tokyo, OT
- Assignee: Harmonic Drive Systems Inc.
- Current Assignee: Harmonic Drive Systems Inc.
- Current Assignee Address: JP Shinagawa-ku, Tokyo, OT
- International Application: PCT/JP2014/070790 WO 20140806
- Main IPC: F16H1/32
- IPC: F16H1/32 ; F16H49/00
Abstract:
A relieving portion is formed between a first external tooth portion and a second external tooth portion in the external teeth of a flexible externally toothed gear of a flat strain wave gearing. The length L1 of the relieving portion in the tooth trace direction is within the range of 0.1 to 0.5 of the tooth width L of the external teeth. The maximum relieving amount t from the tooth top land of an external tooth in the relieving portion is 3.3×10−4
Public/Granted literature
- US10393227B2 Flat strain wave gearing Public/Granted day:2019-08-27
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