| 发明名称 |
Mechanism to restrain slamming of shovel dipper doors |
| 摘要 |
A mechanism to restrain slamming of shovel dipper doors including a pair of arms connected respectively to the back and door of a shovel dipper and pivotally interconnected together with a Belleville spring loading.
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| 申请公布号 |
US4063373(A) |
申请公布日期 |
1977.12.20 |
| 申请号 |
US19770763356 |
申请日期 |
1977.01.28 |
| 申请人 |
ESCO CORPORATION |
发明人 |
GREER, DONALD J.;OLDS, JOHN R. |
| 分类号 |
E02F3/407;(IPC1-7):E02F3/46 |
主分类号 |
E02F3/407 |
| 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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