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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0582066 (1984-02-21) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 132 인용 특허 : 0 |
A mechanism for the transport of an object across relatively level surfaces as well as to ascend and descend stairways. The mechanism is described particularly with respect to a wheel chair for handicapped persons and is provided with a frame and a pair of support wheels on each side of the frame. A
Apparatus for moving an object over substantially varying terrain, including stairs having stair treads, which comprises: a frame for supporting said object, said frame having opposite sides and a front portion and a rear portion; first wheel means mounted from said front portion of said frame havin
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