发明名称 ROPE SHOVEL
摘要 A mining shovel includes a digging assembly having a generally V-shaped boom including a lower connection point for attachment to the mining shovel. A first portion of the boom extends generally upwardly from the lower connection point, and a second portion of the boom is angled with respect to and extends upwardly and forwardly from the first portion. The second portion includes a distal end defining a sheave support, and a pivot element is positioned generally at a connection area between the first portion and the second portion. The digging assembly also includes a boom attachment having a first end that is pivotally supported by the pivot element and a second end that is supported by the sheave support.
申请公布号 US2014037414(A1) 申请公布日期 2014.02.06
申请号 US201314033423 申请日期 2013.09.20
申请人 HARNISCHFEGER TECHNOLOGIES, INC. 发明人 HREN WILLIAM J.;HUTSICK JAMES M.;SEVERSON PATRICK M.;HAWORTH SAMUEL F.;KNUTH JASON
分类号 E02F3/30;E02F9/14;E21C27/30 主分类号 E02F3/30
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