Title:
SEAT SURFACE STABILIZING AND SUPPORTING MOTOR-DRIVEN WHEELCHAIR
Document Type and Number:
Japanese Patent JP3688656
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a seat surface stabilizing and supporting motor-driven wheelchair with which the seat surface of the motor-driven wheelchair is always kept horizontal regardless of the inclination of a travelling road.
SOLUTION: This motor-driven wheelchair includes: a chair part 1 on which a user sits; and a wheelchair body part 2 for holding shafts of wheels. The wheelchair also comprises a right and left inclination-detecting rotary encoder 4, and a front and rear inclination-detecting rotary encoder 6, which are pivotally arranged in the body part 2 so that the chair part 1 can be rotated back and forth by a rotary shaft 13 arranged in the front and rear direction of the wheelchair and right and left by a rotary shaft 14 arranged in the right and left direction. The wheelchair is also provided with a right and left direction rocking actuator 5, and a front and rear direction rocking actuator 7, with which an angle made between the chair part 1 and the body part 2 is adjusted in accordance with the outputs of the rotary encoders 4, 6.
Inventors:
Noboru Tanishima
Application Number:
JP2002172233A
Publication Date:
August 31, 2005
Filing Date:
June 13, 2002
Export Citation:
Assignee:
Japan Science and Technology Agency
International Classes:
A61G5/02; A61G5/04; (IPC1-7): A61G5/02; A61G5/04
Domestic Patent References:
| JP2002263144A | ||||
| JP200259844A | ||||
| JP2001276131A | ||||
| JP200117475A | ||||
| JP3066285U | ||||
| JP11197191A | ||||
| JP58180153A |
Attorney, Agent or Firm:
Mamoru Shimizu
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