| 发明名称 |
MAXIMUM LIFT SYSTEM FOR HYDRAULIC HOE |
| 摘要 |
<p>A maximum lift system for a hydraulic hoe includes a dual pressure relief valve in the hoist circuit and an actuating valve that delivers a signal to the relief valve to increase hoist capacity and simultaneously causes operation of lockout valves to center the wrist control valve and thus lock the dipper in position.</p> |
| 申请公布号 |
GB2109338(A) |
申请公布日期 |
1983.06.02 |
| 申请号 |
GB19820027022 |
申请日期 |
1982.09.22 |
| 申请人 |
* RUSTON-BUCYRUS LIMITED |
发明人 |
FRANK A * ECKER;THEODORE G * JENSEN;NORMAN B * CHRISTENSEN |
| 分类号 |
B66F3/24;E02F3/43;E02F9/22;(IPC1-7):02F3/32;02F3/85 |
主分类号 |
B66F3/24 |
| 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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