发明名称 |
Frame construction for power shovels and the like |
摘要 |
In a machine having an upper moveable frame, a frame for supporting the upper moveable frame including a rigid grid structure, an upper plate disposed on and rigidly secured to the grid structure and a pad for supporting the upper moveable frame, such support pad being disposed unattached to the grid structure and rigidly attached to the upper plate.
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申请公布号 |
US4037894(A) |
申请公布日期 |
1977.07.26 |
申请号 |
US19760661818 |
申请日期 |
1976.02.26 |
申请人 |
MARION POWER SHOVEL COMPANY, INC. |
发明人 |
SANKEY, EDWIN W. |
分类号 |
B66C23/84;E02F9/00;E02F9/12;F16C19/30;(IPC1-7):F16C19/04 |
主分类号 |
B66C23/84 |
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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