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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0720987 (1991-06-25) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 39 인용 특허 : 0 |
A lifting apparatus is easily attached to a conventional wheelchair and allows the wheelchair to successfully negotiate stepped obstacles, such as steps and curbs. The apparatus includes two parallel base runners that are extended from beneath the wheelchair to the ground to act as a lifting platfor
An apparatus for use with a wheelchair having two side frames with two wheels, the apparatus comprising: lifting means for moving the wheelchair through an arc from a first plane to a second, different plane while maintaining the wheelchair in a level orientation; and sliding means for moving the wh
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