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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0678794 (1991-04-01) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
A wheelchair device which has an elevator seat which can raise the operator seated in the wheelchair in order to have access to normal counters and shelving and also can lower the operator to have access to the floor. The chair can be manual or electric both in its locomotion and elevation. The devi
A wheel-chair device comprising a seat, a back support fixedly attached thereto, a wheel frame comprising at least 3 wheels, and a means for attaching said seat and back support to said wheel frame being adjustable in establishing the height of said seat with reference to said wheels; wherein said m
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