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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0899954 (1997-07-24) |
우선권정보 | GB-0156369 (1996-07-25) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 5 |
An exercise device comprises first and second members connected together by spring means so as to be movable towards each other by the application of a compressive force therebetween or to be movable away from each other by the application of a tensile force to said members. A sounder is provided on
[ I claim:] [1.] A portable isometric exercise device, comprising first and second members connected together by spring means so as to be movable towards each other by the application of a compressive force on said first and second members therebetween, and a sounder on one member which, on contact
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