Title:
WAVE-MOTION GEAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/015165
Kind Code:
A1
Abstract:
A wave-motion gear device (100) is provided with: an internal gear part (30) including an inner gear (31); a wave-motion generation part (10) including a cam part (12); a flex gear part (20) including an outer gear (21); an output shaft part (40) which rotates together with the flex gear part (20); and a fixing part (60) which fixes the flex gear part (20) to the output shaft part (40). The flex gear part (20) includes an adjacent part (22) adjacent to the outer gear (21). The output shaft part (40) includes a facing part (41) facing the adjacent part (22). The fixing part (60) partially fixes the adjacent part (22) to the facing part (41) in the circumferential direction centered on an axial line (AX). The cam part (12) includes N (N is an integer of 2 or more) pieces of polar parts located at regular intervals in the circumferential direction and causes the outer gear (21) to mesh with the inner gear (31) at N locations.
Inventors:
IMAGAWA YUTAKA (JP)
Application Number:
PCT/JP2020/028069
Publication Date:
January 28, 2021
Filing Date:
July 20, 2020
Export Citation:
Assignee:
SKG CO LTD (JP)
International Classes:
F16H1/32
Foreign References:
| JPS622857U | 1987-01-09 | |||
| JP2005188740A | 2005-07-14 | |||
| JP2017180799A | 2017-10-05 | |||
| US20130333516A1 | 2013-12-19 |
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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