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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0419509 (1989-10-10) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 25 인용 특허 : 14 |
A barbell assist device which is characterized by a frame fitted with a horizontal housing for enclosing a motor-driven yoke assembly which is provided with cables that extend around sheaves and downwardly from each end of the housing to support a barbell over a weight bench. A kick plate is located
A barbell assist device for raising and lowering a barbell, comprising a support frame, a horizontal ball screw journalled for rotation in said support frame reversible drive means connected to said ball screw in driving relationship for selectively rotating said ball screw in both the clockwise and
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