| 发明名称 |
Earthwork mattress-handling method - attaches lifting yoke to parallel ropes woven into mattress bottom |
| 摘要 |
<p>Parallel flexible pull-ropes (4) are woven into the bottom of the mattress (1), there ends being joined to those of the mattress and attached to a lifting yoke (5). They can be secured to the latter by winding round rotary components which are then locked. Strips can be used instead of ropes.</p> |
| 申请公布号 |
NL9002371(A) |
申请公布日期 |
1992.05.18 |
| 申请号 |
NL19900002371 |
申请日期 |
1990.10.31 |
| 申请人 |
KONINKLIJKE WEGENBOUW STEVIN B.V. TE UTRECHT. |
发明人 |
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| 分类号 |
B66C1/12;E02B3/12;E02D17/20 |
主分类号 |
B66C1/12 |
| 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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