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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0695090 (1985-01-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 16 인용 특허 : 1 |
A load is supported by three subjacent parallel tracks. A u-shaped leg structure coupled to pivots fixed to the outer tracks defines a locus of intersection between swinging arc of the u-shaped leg structure and the ground. A third leg pivots from a slider selectably disposed along the central third
A track-mounted support for adjustably supporting a load adjacent a selected track location, said track-mounted support comprising: first track means subjacent said load; second track means subjacent said load, said second track means parallel said first track means; third track means subjacent said
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