| 摘要 |
A mobility device is provided for converting a manually powered wheel chair or stationary chair to a powered mobile chair. The mobility device includes a housing, a pair of independently and/or simultaneously operable reversible motors, and a pair of drive members. The drive members may be in the form of frictional contact members for driving the rear wheels of a wheel chair or drive wheels for supporting and driving a stationary chair. A control device can be provided to control operation of the drive motors, and thus, movement of the stationary or wheel chair. The mobility device may include one or more rechargeable batteries which may be supported internally or externally of the housing.
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