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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0760483 (1977-01-19) |
우선권정보 | DK-0000240 (1976-01-21) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A chassis for stair-climbing wheel chairs with step wheels mounted on a star-shaped rotating supporting means, the step wheels being surrounded by an elastic endless belt, the latter being in contact with portions of the step wheel peripheries. Locking means are mounted on the rotatable supporting p
A chassis for a stair-climbing vehicle having a frame and comprising step wheels mounted on a rotatable support member and having their peripheries connected by an endless belt means driven by at least one drive means spaced from said support member, comprising: (a) locking means pivotally mounted o
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