发明名称 Stud mounted hoist ring
摘要 A stud mounted hoist assembly for lifting, moving, suspending, or loading material and equipment during construction comprises a ring assembly, a welding stud anchor, and a bushing having a chamfered inner cylindrical surface to accommodate weld flash when mounting the assembly to a load or overhead structure. The bushing and ring assembly provide pivot and swivel capability to the mount. One operator can quickly and securely install a temporary lifting point where and when needed without the assistance of support personnel.
申请公布号 US5586801(A) 申请公布日期 1996.12.24
申请号 US19940329929 申请日期 1994.10.27
申请人 NEWPORT NEWS SHIPBUILDING AND DRY DOCK COMPANY 发明人 SAWYER, DAVID R.;WHEELER, DOUGLAS M.
分类号 B23K9/20;B66C1/66;(IPC1-7):B66C1/66;F16G15/08 主分类号 B23K9/20
代理机构 代理人
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