Title:
JOINT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/186081
Kind Code:
A1
Abstract:
A motorized artificial leg (1) comprises a below-knee member (10), an above-knee member (20), a knee joint mechanism (30) that links the below-knee member (10) and the above-knee member (20) such that the angle formed therebetween can be changed, and a lengthening and shortening device (40) that can change the angle formed between the below-knee member (10) and the above-knee member (20) by lengthening and shortening. The lengthening and shortening device (40) comprises a motor (M) and a transmission (T) that transmits motive force from the motor (M). The transmission (T) comprises a first transmission mechanism (T1) that transmits motive force from the motor (M) at a first gear ratio and a second transmission mechanism (T2) that transmits motive force from the motor (M) at a second gear ratio that is different from the first gear ratio.
Inventors:
TAKAMI EIKA (JP)
Application Number:
PCT/JP2022/007967
Publication Date:
September 09, 2022
Filing Date:
February 25, 2022
Export Citation:
Assignee:
HONDA MOTOR CO LTD (JP)
International Classes:
F16D43/202; A61F2/62; F16H21/10; F16H25/20; F16H35/00; F16H37/12
Domestic Patent References:
| WO2018092325A1 | 2018-05-24 | |||
| WO2020203762A1 | 2020-10-08 |
Foreign References:
| JPH05146978A | 1993-06-15 | |||
| JP2013136136A | 2013-07-11 | |||
| JPH1119105A | 1999-01-26 | |||
| JP2021032992A | 2021-03-01 |
Attorney, Agent or Firm:
KOH-EI PATENT FIRM, P.C. (JP)
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