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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0267483 (1984-06-29) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 28 인용 특허 : 0 |
An exercise device is provided for improving an user\s speed and jumping ability. The device includes a base proximate the user\s feet and having at least opposed side members which serve as anchors. A belt is provided which is secured about the user\s waist and connected to one end of each of a plu
An exercising apparatus for improving a user\s athletic ability, said apparatus comprising: a base; fastening means adapted to be securely fastened about the user\s waist; elastic means secured between said base and said fastening means for resisting upward movement of, and exerting downward force,
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