최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0569510 (2000-05-12) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 30 인용 특허 : 26 |
A wheelchair has a seat that can be raised or lowered to enhance use of the chair. The seat can also be tilted to facilitate entry into and exit from the wheelchair. The lift mechanism for raising, lowering and tilting the seat includes a pair of rotatable tubes mounted to a lower frame of the wheel
A wheelchair has a seat that can be raised or lowered to enhance use of the chair. The seat can also be tilted to facilitate entry into and exit from the wheelchair. The lift mechanism for raising, lowering and tilting the seat includes a pair of rotatable tubes mounted to a lower frame of the wheel
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