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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0336720 (1989-04-12) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 10 |
An exercise device includes a hollow flexible elastic tube filled with fluid having hook members connected in the ends thereof for detachably securing the tube to the hook members. The hook member includes first and second wedge-shaped portions for facilitating insertion of the hook during assembly
An exercise device, comprising: an elongated elastic hollow tube having a first and second end, said hollow tube being filled with a fluid; hook means fixedly mounted in said first and second ends for detachably securing said tube to said hook means and for sealing said fluid within said first and s
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