发明名称 |
CONNECTING PIN STRUCTURE FOR WORK MACHINE |
摘要 |
PROBLEM TO BE SOLVED: To provide a connecting pin structure for a work machine preventing foreign matters such as external sediment from mixing into a pressure fluid through a bearing portion without requiring a seal for stopping the pressure fluid on the bearing portion of a pin in the connecting pin structure moved between a protrusion position where the tip of the pin is protruded from a bearing hole by the pressure fluid such as a hydraulic fluid and a retraction position where the tip of the pin is retracted into the bearing hole. SOLUTION: The pin is provided with a hollow section, and the hollow section is provided with a fluid pressure cylinder mechanism moving the pin to the protrusion position and the retraction position.
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申请公布号 |
JP2001329562(A) |
申请公布日期 |
2001.11.30 |
申请号 |
JP20000148166 |
申请日期 |
2000.05.19 |
申请人 |
SHIN CATERPILLAR MITSUBISHI LTD |
发明人 |
IWAMOTO TAKAHIRO;NISHIKAWA HIROYASU |
分类号 |
E02F3/40;E02F9/00;(IPC1-7):E02F3/40 |
主分类号 |
E02F3/40 |
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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