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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0151957 (1993-11-15) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 26 인용 특허 : 0 |
A combination exercise device includes a trampoline which has a peripheral frame and a resiliently mounted spring member secured to the frame with an upper surface upon which the user may jump. Feet are mounted to the frame for elevating the spring member. The exercise device also includes a step wh
A combination exercise device comprising (a) a trampoline, said trampoline comprising a peripheral frame, a spring member secured by resilient mounting structure to said frame, said spring member being disposed within and spaced from said frame, said spring member having an upper jumping surface upo
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