发明名称 |
DEPOSIT REMOVING DEVICE FOR FRONT ATTACHMENT |
摘要 |
PROBLEM TO BE SOLVED: To provide a device having a sufficient removing function for removing deposits such as sediment stuck to a front attachment drilling the ground by a rotating action. SOLUTION: A plurality of lines of elastic rod-like bodies 5 are protruded along the direction of a rotary shaft 32 on the drum 6 of this removing device 1. When an auger screw 3 is lifted while being rotated in the extracting direction B in the inserted state into the screw through hole 11 of a base section 9, the elastic rod-like bodies 5 are pressed by screw blades 3B, and the drum 6 is rotated in the direction of an arrow C. The elastic rod-like bodies 5 are located between the screw blades 3B at this time and comb off the sediment stuck to the auger screw 3.
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申请公布号 |
JP2001082065(A) |
申请公布日期 |
2001.03.27 |
申请号 |
JP20000210505 |
申请日期 |
2000.07.11 |
申请人 |
TOKAI CONCRETE INDUSTRIES CO LTD;ITO YOSETSU KOGYO KK |
发明人 |
KAWABE KOJIRO;ITO SHOJI |
分类号 |
E21B12/06;(IPC1-7):E21B12/06 |
主分类号 |
E21B12/06 |
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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