Electric wheelchair and power unit of electric wheelchair
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorShintaro OHNISHI
Life of this patent
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Abstract
An electric wheelchair includes an electric motor mounted on a right wheel, an electric motor mounted on a left wheel, a battery that supplies a current to the electric motors, and a battery holder that is disposed closer to the right wheel than a center of the electric wheelchair in a left-right direction and houses the battery. The battery holder opens toward an inward direction, which is a direction facing the center of the electric wheelchair in the left-right direction, and toward a top of the electric wheelchair.
Claims14
A power unit of an electric wheelchair that includes a first wheel, which is one of a right wheel or a left wheel, and a second wheel, which is the other one of the right wheel or the left wheel, and is foldable so as to reduce a distance between the first wheel and the second wheel, the power unit being mounted on the electric wheelchair and comprising:
- a first electric motor mounted on the first wheel;
- a second electric motor mounted on the second wheel;
- a battery that supplies a current to the first electric motor and the second electric motor;
- and
- a battery holder that is disposed closer to the first wheel than a center of the electric wheelchair in a left-right direction and houses the battery, wherein
- the battery holder opens toward an inward direction, which is a direction facing the center of the electric wheelchair in the left-right direction, and toward a top of the electric wheelchair.
An electric wheelchair comprising
- a power unit of an electric wheelchair that comprises a first wheel, which is one of a right wheel or a left wheel, and a second wheel, which is the other one of the right wheel or the left wheel, and is foldable so as to reduce a distance between the first wheel and the second wheel, the power unit being mounted on the electric wheelchair and comprising:
- a first electric motor mounted on the first wheel;
- a second electric motor mounted on the second wheel;
- a battery that supplies a current to the first electric motor and the second electric motor;
- and
- a battery holder that is disposed closer to the first wheel than a center of the electric wheelchair in a left-right direction and houses the battery, wherein
- the battery holder opens toward an inward direction, which is a direction facing the center of the electric wheelchair in the left-right direction, and toward a top of the electric wheelchair.
Dependencies are inferred from the claim text.