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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0036444 (1979-05-07) |
우선권정보 | GB-0018191 (1978-05-08) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 48 인용 특허 : 1 |
A wheelchair is constructed so as to be able to mount curbs, and overcome similar obstacles. In front and above each main wheel of the wheelchair, an auxiliary wheel or wheels are mounted, so that the auxiliary wheels will contact the obstacle at a point on their circumference below their center in
A wheelchair having a plurality of ground-engaging wheels rotatable about respective spaced front and rear axes, and at least one auxiliary ground wheel associated with each ground-engaging wheel axis, each auxiliary wheel being mounted for rotation about an axis which is parallel to the associated
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