| 发明名称 |
Slackless railcar connections with extractable wedge |
| 摘要 |
A gravity wedge shim includes a cavity and aperture at the top thereof and a lifting tool is extended through an opening in a sill ceiling above the wedge, inserted into the aperture and twisted so as to engage the wedge for lifting same.
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| 申请公布号 |
US5035338(A) |
申请公布日期 |
1991.07.30 |
| 申请号 |
US19900483876 |
申请日期 |
1990.02.23 |
| 申请人 |
AMSTED INDUSTRIES INCORPORATED |
发明人 |
KAUFHOLD, HORST T.;ALTHERR, RUSSELL G. |
| 分类号 |
B61G5/02;B61G9/20 |
主分类号 |
B61G5/02 |
| 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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