发明名称 Anchor
摘要 An anchor having a V-shaped twin shank with its legs composed of flat shapes in planes substantially parallel to the fluke so that the soil moves as through a tunnel for sliding penetration which is kept in a straight course due to stabilizer ear plates at a forwardly opening angle at the rear corners of the fluke.
申请公布号 US4706595(A) 申请公布日期 1987.11.17
申请号 US19850725381 申请日期 1985.04.22
申请人 VAN DEN HAAK, ROB 发明人 VAN DEN HAAK, ROB
分类号 B63B21/30;B63B21/32;(IPC1-7):B63B21/26 主分类号 B63B21/30
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