| 发明名称 |
CEMENT INDUSTRY GANGWAY |
| 摘要 |
A safety cage improves the safety of workers servicing tanker vehicles having top side hatches. A part or parts of the cage can be repositioned to permit the hatch cover to be opened and then can be returned to a safety enhancing position. |
| 申请公布号 |
US2012006619(A1) |
申请公布日期 |
2012.01.12 |
| 申请号 |
US20100831393 |
申请日期 |
2010.07.07 |
| 申请人 |
DUBOSE ADAM LEWIS;BENNETT RONALD WAYNE;ALUMINUM LADDER COMPANY |
发明人 |
DUBOSE ADAM LEWIS;BENNETT RONALD WAYNE |
| 分类号 |
E04G5/14;E04G1/00;E04G1/18 |
主分类号 |
E04G5/14 |
| 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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