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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0524182 (1974-11-15) |
우선권정보 | UK-0056365 (1973-12-05) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 47 인용 특허 : 0 |
A wheelchair provided with pivotable ramps to enable curb-climbing which is provided with means to enable it to mount curbs. The wheelchair comprises three or more wheels and at least one pivotally mounted arm on which a ramp member is itself pivotally mounted. The or each arm may be pivoted to a po
A wheelchair comprising at least three wheels and at least one pivotal arm on which a ramp is pivotally mounted, the arm being pivotable to a position in which the ramp it supports is placed in a predetermined orientation in the path of a respective wheel, the ramp being triangle shaped and supporte
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