发明名称 Portable earth anchor
摘要 A portable earth anchor and foundation pier is provided by a reinforced concrete casting around a steel skeleton comprising wheel axles, draw bar and earth penetrating tines. One embodiment of the invention has ground clearance from a bottom surface for wheel support in a first, transport position. The tines project from the top surface. When inverted for earth penetration by the tines, the transport wheels are positioned out of ground contact.
申请公布号 US4406100(A) 申请公布日期 1983.09.27
申请号 US19810268774 申请日期 1981.06.01
申请人 WESTVACO CORPORATION 发明人 KEESEE, KENNETH C.;RUCKMAN, JAMES A.
分类号 E02D5/80;(IPC1-7):E02D5/74 主分类号 E02D5/80
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