发明名称 ANCHORING DEVICE FOR POST
摘要 An anchoring device for securing a post such as a beach umbrella into the ground comprising a hollow tubular member for vertically holding the post, a screw member at the lower end of the tubular member, a pair of laterally extending lever arms at the upper end of the tubular member for twisting the screw member and the tubular member and driving both into the ground.
申请公布号 CA2026886(A1) 申请公布日期 1992.04.05
申请号 CA19902026886 申请日期 1990.10.04
申请人 PERREAULT, GILLES R.;GAGNON, PIERRE P. 发明人 PERREAULT, GILLES R.;GAGNON, PIERRE P.
分类号 E02D27/42;E04H12/22;(IPC1-7):E04H12/22 主分类号 E02D27/42
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