发明名称 Ground anchor for trench cutter cable - has helical blade screwed into ground by spanner to allow complete burial
摘要 <p>The anchor has a helical blade (1) screwed into the ground with the anchored article secured to it after insertion. The anchor can have a head accommodating a spanner, the head being below the surface of the ground when screwed home. The anchor can be connected to the cable by a swivel joint to prevent rotational forces being exerted.</p>
申请公布号 NL8401794(A) 申请公布日期 1986.01.02
申请号 NL19840001794 申请日期 1984.06.05
申请人 PIETER ANTONIUS BRUGMAN TE PANNERDEN. 发明人
分类号 A63B63/04;E02D5/80;(IPC1-7):A63B63/04 主分类号 A63B63/04
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