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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0749945 (1985-06-27) |
우선권정보 | GB-0016485 (1984-06-28) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 3 |
A folding backrest of a wheelchair has two attendant handles fixed to upper tubes hinged to vertical lower tubes so as to be turnable into lowered positions. Supported on the upper tubes are respective cams turnable rearwardly by an attendant about a horizontal axis and in opposition to springs, fro
A folding aid for the disabled, including first and second aid parts which in a latched condition are disposed end-to-end, hinge means interconnecting said aid parts such that said parts are turnable relative to each other about an axis of said hinge means between the latched condition and a folded
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