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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0212113 (1980-12-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 2 |
A walker including a frame, the forward portion of which is provided with rotary members at its lower end for advancing the walking aid. The rotary members comprise 2 spoked wheels fixed to the ends of and rotatable with an axle, the spokes of the rotary members being out of phase to advance the wal
A walker comprising (a) an upstanding frame including right and left hand support portions (b) each of said support portions comprising front and rear ground-engaging members for stabilizing the walker (c) bearing means associated with the lower part of each of said right and left hand support porti
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