Title:
SPEED REDUCTION MECHANISM
Document Type and Number:
WIPO Patent Application WO/2022/270408
Kind Code:
A1
Abstract:
Provided is a speed reduction mechanism having contradictory functions that can reduce backlash and that can ensure back-drivability even with a high speed reduction ratio. The speed reduction mechanism according to the present invention comprises: an input shaft member (120) having a substantially cylindrical shape and coupled to an input shaft that is rotatably supported; a precession member (140) which performs a precession movement in accordance with the rotation of the input shaft member and which has a tilt holding means (150) for providing tiltable hold with respect to the axial center of the input shaft; a rolling member (180) disposed on a peripheral surface of the precession member (140); and an output shaft member (160) coupled to an output shaft and having a peripheral surface in which a wavy groove (WG1) is formed, the wavey groove having a predetermined cycle, the rolling member (180) engaging with the wavy groove (WG1).
Inventors:
TAKAHASHI YOSHITAKA (JP)
Application Number:
PCT/JP2022/024144
Publication Date:
December 29, 2022
Filing Date:
June 16, 2022
Export Citation:
Assignee:
TAKAHASHI ENERGY CONV LABORATORY (JP)
International Classes:
F16H1/32; F16H25/06
Foreign References:
| US20050221937A1 | 2005-10-06 | |||
| JPS60179563A | 1985-09-13 | |||
| US3595103A | 1971-07-27 | |||
| GB2117474A | 1983-10-12 | |||
| FR3034484A1 | 2016-10-07 |
Attorney, Agent or Firm:
YAMASHIRO Naoki (JP)
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