| 发明名称 |
RAILCAR COUPLER LOCK WITH INCREASED CHAMFER ON THE KNUCKLE SHELF SEAT |
| 摘要 |
An improved lock for a railroad coupler, said improvement comprising an increased chamfer on a knuckle shelf seat.
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| 申请公布号 |
US2009289021(A1) |
申请公布日期 |
2009.11.26 |
| 申请号 |
US20090470883 |
申请日期 |
2009.05.22 |
| 申请人 |
SMERECKY JERRY R;MARCHESE THOMAS A;LARSON ERIC W |
发明人 |
SMERECKY JERRY R.;MARCHESE THOMAS A.;LARSON ERIC W. |
| 分类号 |
B61G3/06 |
主分类号 |
B61G3/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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