Title:
LINK ACTUATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/067060
Kind Code:
A1
Abstract:
This link actuation apparatus is provided with: a parallel link mechanism (10) which couples a tip-end link hub (13) to a base-end link hub (12) via at least three sets of link mechanisms (14) in an attitude-changeable manner; an attitude control drive source (11); and a control device (2). The control device (2) is provided with an abnormality detection means (4) including: a measurement unit (5) which measures a specified status value that is affected by an abnormality in rotational paired parts in a link actuation apparatus body (1) composed of the parallel link mechanism (10) and the attitude control drive source (11); and a determination unit (6) which determines, from the measurement result of the measurement unit (5), whether there is an abnormality in any of the rotational paired parts. The measurement unit (5) measures, for example, rigidity or a drive torque.
More Like This:
| JP7402466 | Upper unit posture variable device |
| WO/2018/179294 | ASSISTANCE DEVICE |
Inventors:
NOSE KENZOU (JP)
ISOBE HIROSHI (JP)
ISOBE HIROSHI (JP)
Application Number:
PCT/JP2019/037372
Publication Date:
April 02, 2020
Filing Date:
September 24, 2019
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B25J11/00; F16C41/00; F16H21/46
Domestic Patent References:
| WO2017051866A1 | 2017-03-30 | |||
| WO2018029910A1 | 2018-02-15 |
Foreign References:
| JP2008040930A | 2008-02-21 | |||
| JP2013052501A | 2013-03-21 | |||
| JP2013198942A | 2013-10-03 | |||
| JP2000094245A | 2000-04-04 | |||
| US5893296A | 1999-04-13 | |||
| JP4476603B2 | 2010-06-09 | |||
| JP5785055B2 | 2015-09-24 |
Other References:
See also references of EP 3858557A4
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Download PDF: