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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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