Title:
JOINT DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/040039
Kind Code:
A1
Abstract:
An electric prosthetic limb 1 is provided with: a below-knee side member 10; an above-knee side member 20; a knee joint mechanism 30 that connects the below-knee side member 10 and the above-knee side member 20 in a manner such that an angle formed therebetween is variable; and an extendable device 40 that is capable of extending and contracting to change the angle formed between the below-knee side member 10 and the above-knee side member 20. The extendable device 40 is provided with a motor M and a transmission T transmitting power from the motor M. The transmission T is provided with: a first transmission mechanism T1 that transmits the power from the motor M at a first transmission gear ratio; and a second transmission mechanism T2 that transmits the power from the motor M at a second transmission gear ratio different from the first transmission gear ratio.
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Inventors:
SHIMADA KEI (JP)
Application Number:
PCT/JP2020/032787
Publication Date:
March 04, 2021
Filing Date:
August 28, 2020
Export Citation:
Assignee:
HONDA MOTOR CO LTD (JP)
International Classes:
B25J17/00; A61F2/60; F16H3/089
Domestic Patent References:
| WO2018087997A1 | 2018-05-17 |
Foreign References:
| US20160158029A1 | 2016-06-09 | |||
| JP2013136136A | 2013-07-11 | |||
| JPH05146978A | 1993-06-15 | |||
| US20180066740A1 | 2018-03-08 | |||
| US20100038983A1 | 2010-02-18 | |||
| US20150342759A1 | 2015-12-03 | |||
| JP2007512053A | 2007-05-17 | |||
| JP2009101455A | 2009-05-14 | |||
| JP2019157358A | 2019-09-19 |
Other References:
FUJIMOTO, HIROSHI: "Multifunctional Powered A/K Prostheses", JOURNAL OF THE ROBOTICS SOCIETY OF JAPAN, vol. 14, no. 5, 15 July 1996 (1996-07-15), pages 632 - 635, XP055796958
See also references of EP 4023400A4
See also references of EP 4023400A4
Attorney, Agent or Firm:
KOH-EI PATENT FIRM, P.C. (JP)
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