Title:
OPERATION SECTION-SUPPORTING STRUCTURE FOR ELECTRICALLY DRIVEN WHEELCHAIR
Document Type and Number:
WIPO Patent Application WO/2016/051541
Kind Code:
A1
Abstract:
An operation section-supporting structure for an electrically driven wheelchair is provided with a frame member, an arm member (25) affixed to the frame member, and an operation section mounted to the arm member and operated by a rider in the wheelchair during the movement of the wheelchair. The arm member includes: a vertically extending first shaft (30) affixed to the frame member; a first arm section (31) rotatably supported by the first shaft; a vertically extending second shaft (32) rotatably supported by the first arm section; a second arm section (33) for supporting the operation section, the second arm section (33) being affixed to the second shaft and rotating together with the second shaft; an attitude-maintaining mechanism including a first gear member (45) affixed to the first shaft, a second gear member (46) affixed to the second shaft, and a belt (47) mounted over the gear members, the attitude-maintaining mechanism converting the rotational movement of the first arm section into rotational movement in the direction opposite the direction of the rotational movement of the first arm section and transmitting the converted rotational movement to the second gear member, thereby maintaining the attitude of the second arm section; and a lock mechanism for locking the first arm section in a non-rotatable condition.
Inventors:
KANNO NOBUYUKI (JP)
Application Number:
PCT/JP2014/076205
Publication Date:
April 07, 2016
Filing Date:
September 30, 2014
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
A61G5/04
Foreign References:
| EP2243452A1 | 2010-10-27 | |||
| US5246240A | 1993-09-21 | |||
| JPH09124270A | 1997-05-13 | |||
| JPH0425720Y2 | 1992-06-19 |
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
Etsuji Kotani (JP)
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