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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0658961 (1991-02-22) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
A step for performing exercises is polygonal or circular to allow approaches from any direction equally. The step has a base member and a platform member, the platform member being selectively adjustable with respect to the base. The base member has lands equally spaced around the base member at dif
An exercising step for use in aerobic exercise, said exercising step comprising a base member and a platform member, said platform member being selectively receivable on said base member and including an upper platform to receive the feet of a person exercising, and a skirt surrounding said upper pl
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