发明名称 MECHANICAL SAFETY PILE MONKEY
摘要 There is disclosed herein a pile driver apparatus having a lead supporting said pile driver, and means mounting a pair of laterally closing jaws for sliding movement along the lead below the pile driver. The jaws close around the lower end of an undriven pile and upon upward movement thereof, the jaws slide with respect to the pile and pull the pile into alignment with the pile driver.
申请公布号 US3827508(A) 申请公布日期 1974.08.06
申请号 US19730321527 申请日期 1973.01.05
申请人 FOUNDATION EQUIPMENT CORP,US 发明人 MAC KINNON A,US
分类号 E02D7/14;(IPC1-7):E02D7/02 主分类号 E02D7/14
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