Title:
歯車装置およびロボット
Document Type and Number:
Japanese Patent JP7396178
Kind Code:
B2
Abstract:
A gearing includes an internal gear, a flexible external gear partially meshing with the internal gear and relatively rotating about a rotation axis to the internal gear, and a wave generator provided inside of the external gear and moving a mesh position between the internal gear and the external gear in a circumferential direction about the rotation axis, wherein the external gear includes an external tooth having an external tooth surface, the external tooth surface has an external tooth convex pattern including a first convex portion and a second convex portion extending in directions crossing directions of a tooth trace of the external tooth and arranged adjacent to each other in the directions of the tooth trace, and a distance between the first convex portion and the second convex portion is from 80 μm to 520 μm.
Inventors:
Satoshi Masai
Yuya Kataoka
Nobuyuki Takehana
Yoshiyuki Seiya
Yuya Kataoka
Nobuyuki Takehana
Yoshiyuki Seiya
Application Number:
JP2020071540A
Publication Date:
December 12, 2023
Filing Date:
April 13, 2020
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
F16H1/32; B25J17/00; F16H57/04
Domestic Patent References:
| JP2018194094A | ||||
| JP201825291A | ||||
| JP200419878A | ||||
| JP49109074U |
Attorney, Agent or Firm:
Satoshi Nakai
Hiroki Matsuoka
Masayuki Imamura
Hiroki Matsuoka
Masayuki Imamura