| 发明名称 |
Trapezoidal beam dock leveler |
| 摘要 |
A dock leveler having a rigid flat deck and a hinge pin coupling the leveler to a loading dock. The deck is supported by a series of spaced box beams forming a trapezoidal cross-section with the underside of the deck.
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| 申请公布号 |
US5097557(A) |
申请公布日期 |
1992.03.24 |
| 申请号 |
US19900593402 |
申请日期 |
1990.10.05 |
| 申请人 |
THE SERCO CORPORATION |
发明人 |
SALMAN, DAVID E.;ALEXANDER, JAMES C. |
| 分类号 |
B65G69/28 |
主分类号 |
B65G69/28 |
| 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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