发明名称 Lifting device and method for retaining wall panels
摘要 A lifting attachment for use with a retaining wall panel for earthen formations. The attachment comprises intersecting plates adapted to complementally engage the top and side surfaces of the panel. A fixed pin on one plate is receivable in an opening provided in the side surface of the panel. A removable pin is extensible through the other plate into an opening formed in the top surface of the panel.
申请公布号 US4992005(A) 申请公布日期 1991.02.12
申请号 US19900462222 申请日期 1990.01.09
申请人 HILFIKER, WILLIAM K. 发明人 HILFIKER, WILLIAM K.
分类号 B66C1/66;E02D29/02 主分类号 B66C1/66
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