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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0898481 (1986-08-21) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 39 인용 특허 : 0 |
A rebounding exercise device is disclosed in which at least two rebounding surfaces are supported at an incline relative to horizontal. The low ends of the rebounding surfaces are near each other so that one can use the rebounding device by jumping from one surface to the other. In particular, the r
A rebounding exercise device comprising: mat means; a plurality of springs attached about the periphery of said mat means, each spring having an outer end extending from said mat means; a frame to which the outer ends of said plurality of springs are attached, said frame having a low center portion
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