发明名称 |
Device for controlling a working arm of a working machine |
摘要 |
A device for controlling a working arm of a working machine, which is capable of releasing the pressure of the actuation fluid confined in the actuation cylinder of the working arm device at a predetermined pressure lower than the set pressure and of controlling the opening/closing of the cylinder relief valve.The device comprises releasing means for a releasing a pressurized fluid feed/drain circuit of an actuation cylinder of a working arm device at a predetermined pressure lower than a set pressure of a cylinder relief valve provided for said feed/drain circuit and a control means for controlling the opening/closing of the releasing means.
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申请公布号 |
US6546325(B1) |
申请公布日期 |
2003.04.08 |
申请号 |
US20000706824 |
申请日期 |
2000.11.07 |
申请人 |
SHIN CATERPILLAR MITSUBISHI LTD. |
发明人 |
KUBOTA YORIMICHI;MATOBA NOBUAKI;NOZAKI SHINYA;KUROKAWA YOSHIKAZU |
分类号 |
A01B63/10;E02F9/22;F15B11/028;(IPC1-7):G06F17/00 |
主分类号 |
A01B63/10 |
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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