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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0678588 (2000-10-03) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 8 |
An apparatus for driving electrically a hand-operated wheelchair includes two driving devices, a power supply device, and a control device. Each driving device includes a motor unit provided with a motor shaft and a transmission unit that is adapted to be mounted removably on a respective one of the
1. An apparatus for driving electrically a hand-operated wheelchair, the wheelchair including a chair frame that has two vertical rod portions, and two axle holes that are formed through the rod portions, respectively, and two wheels that are mounted rotatably on two opposite sides of the chair fram
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