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-0740938 (1991-08-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 0 |
The invention is an improved wheel chair in which the seat may be raised or lowered by a hand powered hydraulic ram mechanical means to levels that match the surface of the chair or bed to which the patient is being transferred. A commode function is also provided. The chair comprises a base having
A wheel chair for assistance in movement, transport, and care of personal functions of a handicapped person comprising: (1) lower frame means having; front swivel caster wheels, rear fixed wheels, and four upwardly extending tubes, (2) an upper unit comprising: a seat and backrest frame, a seat and
※ AI-Helper는 부적절한 답변을 할 수 있습니다.