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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0401981 (1982-07-26) |
우선권정보 | JP-0119686 (1981-08-11) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 7 인용 특허 : 3 |
An improved wheelchair which can pass through a narrow aisle, for example in an airplane. The wheelchair has an axle with a pair of main wheels, removably mounted to the wheelchair frame so as to be removable without lifting the frame, as well as auxiliary wheels narrow enough to pass through such a
A wheelchair comprising: a frame having a seat, a back, and legs and being sufficiently narrow in width to pass through an aisle in an airplane or a train; a pair of auxiliary wheels fixedly mounted on said legs of said frame at each side thereof and having a track narrow enough to pass through the
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