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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0153829 (1993-11-16) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 30 인용 특허 : 0 |
An exercising machine for the back which is simple, compact, economical and suited for home use includes a base which is constructed to lie flat on the floor. Included in this base is a seat upon which the user sits while leaning back against a pivoting arm. The pivoting arm has a resistance device
An apparatus for exercising the back, comprising: a base including a seat for a user; a movable arm pivotally mounted at a position on said base, said arm having a crosspiece extending across said base for engaging the user\s back; and a resistance device associated with said base and said arm for p
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