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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0511437 (1983-07-07) |
우선권정보 | AU-0004790 (1982-07-09); AU-0007916 (1983-02-07) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 41 인용 특허 : 0 |
A balancing board includes a platform to which a pair of parallel tracks are mounted to the lower surface. The tracks each include two parallel rods mounted so that they rotate freely about their axes. A set of wheels are mounted to a common shaft. The wheels are separated so that they roll along th
A balancing board comprising: a substantially planar member having upper and lower surfaces, the user standing on said upper surface; a set of tracks located on the lower surface of the substantially planar member, each said track comprising two rods rotatably mounted to the lower surface of said pl
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