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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0569922 (1990-08-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
a lifting eyebolt assembly for engagement between a workpiece to be lifted and a lifting device includes a cylindrical collar that is held in place against the workpiece by a threaded fastener. A load-bearing ring is threadedly engaged to the collar to enclose the collar and the fastener. The load-b
A lifting eyebolt assembly for engagement between a workpiece to be lifted and a lifting device, the assembly comprising: a fastener having a head portion, a shaft portion and means for fastening to the workpiece; a collar having a bore adapted to receive said shaft portion of said fastener therethr
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