发明名称 Handling/lifter device for a concrete slab or the like
摘要 A handling/lifter device for a bulky mass or slab of associated materials such as concrete or the like. A housing body has a large hollow chamber, below which arms extend outwardly to retain or lock the device into the mass or slab; and a flexible cable, which is secured to the assembly of housing and arms, provides a graspable component which is stuffed into the housing's chamber but is withdrawable to provide a graspable loop when desired for a handling or lifting procedure.
申请公布号 US4304431(A) 申请公布日期 1981.12.08
申请号 US19800133503 申请日期 1980.03.24
申请人 WALSTON, EVERETT V. 发明人 WALSTON, EVERETT V.
分类号 B66C1/66;E04G21/14;(IPC1-7):B66C1/66 主分类号 B66C1/66
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