发明名称 Earth anchor driving and removing apparatus and method therefore
摘要 A Kelly bar adapter for use with earth anchor driving machinery is disclosed. The adapter allows for pivotal connection of an earth anchor or earth anchor extension rod thereto. Thus, a vertically hanging Kelly rod may be attached to an earth anchor or its associated extension rod while the same is diagonally extending out of the ground. A tool for removing earth anchors having an integral eyelet or an eyelet which is threaded onto an earth anchor is also disclosed.
申请公布号 US4998849(A) 申请公布日期 1991.03.12
申请号 US19900581055 申请日期 1990.09.12
申请人 SUMMERS, EUGENE R. 发明人 SUMMERS, EUGENE R.
分类号 E02D5/80 主分类号 E02D5/80
代理机构 代理人
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