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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0131566 (1980-03-19) |
우선권정보 | GB-0094846 (1979-03-21); GB-0914662 (1979-04-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 1 |
A walking aid such as a walking stick, crutch or walking frame comprises a body, a ground engaging member mounted at one end of the body, the body being movable relative to the ground engaging member, and a lever pivotably mounted on said ground engaging member, the body having means to actuate the
A walking aid comprising a body, a ground engaging member mounted at one end of the body, the body being movable relative to the ground engaging member, and a lever pivotably mounted on said ground engaging member, the body having means to actuate the lever so as to cause pivotal movement of the lev
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