MULTI-DIRECTIONAL DRIVE DEVICE, ROBOT JOINT MECHANISM, AND MULTI-DIRECTIONAL DRIVE METHOD

Title:

MULTI-DIRECTIONAL DRIVE DEVICE, ROBOT JOINT MECHANISM, AND MULTI-DIRECTIONAL DRIVE METHOD

Document Type and Number:

WIPO Patent Application WO/2018/088508

Kind Code:

A1

Abstract:

A multi-directional drive device characterized by having a first drive motor supported by a holding unit and having a first drive shaft, a rotary member integrally coupled to the first drive shaft of the first drive motor and rotating together with the first drive shaft, a spherical body that is supported so as to be able to rotate freely on the rotary member and that rotates centered around a second rotation center axis different from a first rotation center axis of the first drive shaft, a second drive motor mounted on the rotary member and having a second drive shaft independent from the first drive shaft, and a transmission mechanism that is provided between the second drive shaft of the second drive motor and the spherical body on the rotary member, and transmits motive force of the second drive shaft to the spherical body, causing the spherical body to slide and rotate with respect to the rotary member while being centered around the second rotation center axis, wherein a body to be operated is supported by the spherical body.

Inventors:

OKAZAKI YASUNORI (JP)
MATSUDA TOMOMI (JP)
TADAKUMA RIICHIRO (JP)
SAITO HIROTO (JP)
ABE KAZUKI (JP)
HAO SHINNOSUKE (JP)
MOGI KAZUKI (JP)

Application Number:

PCT/JP2017/040534

Publication Date:

May 17, 2018

Filing Date:

November 10, 2017

Export Citation:

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Assignee:

NEC EMBEDDED PRODUCTS LTD (JP)
UNIV YAMAGATA NAT UNIV CORP (JP)

International Classes:

F16H37/06; B25J17/00

Foreign References:

JP2002299415A	2002-10-11
JPH05169388A	1993-07-09
JPH03104574A	1991-05-01
DE10115832A1	2002-10-10
JP2011196487A	2011-10-06
JP2016221632A	2016-12-28

Other References: