| 发明名称 |
FOLDABLE CRANE WITH OVERLOAD PREVENTIVE DEVICE |
| 摘要 |
<p>PURPOSE:To simplify the overload preventive device for a foldable crane by switching an allowable load set value in plural steps in response to the elongation of a boom to compare it with actual load.</p> |
| 申请公布号 |
JPS53140757(A) |
申请公布日期 |
1978.12.08 |
| 申请号 |
JP19770054614 |
申请日期 |
1977.05.11 |
| 申请人 |
SHIN MEIWA IND CO LTD |
发明人 |
FUJITA EIJI;KOBAYASHI ICHIJI |
| 分类号 |
B66C23/68;B66C23/42;B66C23/90 |
主分类号 |
B66C23/68 |
| 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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