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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0050606 (1993-04-22) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 29 인용 특허 : 0 |
A wheelchair adapted for use both on smooth surfaces and uneven or rough ground wherein a cleated belt is trained around a plurality of wheels on both sides of the chair and is driven by a spring-loaded handgrip engaging therewith. Means are provided for tensioning the belt and for locking the hand
A self-propelled all terrain wheelchair comprising: a frame including a back portion and a seat; four axles mounted rotatably on said frame in a spaced relationship to one another; wheels rotatably mounted on each of said axles, said wheels having belt engaging means thereon; a cleated belt having a
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