发明名称 |
IMPROVED SCREWDRIVER FOR EXCAVATOR |
摘要 |
PURPOSE: An auger screw assembly for an improved excavator is provided to easily control the length of an auger screw and to repair inside the auger screw without cutting and breaking the auger screw. CONSTITUTION: An auger screw assembly for an improved excavator comprises an antenna rod(110), an auger screw(120), and a joint(130). The joint is detachably attached on the bottom end of the auger screw to be disassembled. The joint separably couples the end of a guide pipe(131) in the auger screw to a fastening hole(135a).
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申请公布号 |
KR20100092287(A) |
申请公布日期 |
2010.08.20 |
申请号 |
KR20090011583 |
申请日期 |
2009.02.12 |
申请人 |
SAMON F,C,COM.;GWAK, HEE KYEONG |
发明人 |
GWAK, HEE KYEONG |
分类号 |
E21B17/02;E21B7/02;E21B17/22 |
主分类号 |
E21B17/02 |
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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