发明名称 |
A HOLE CLEANING AND/OR FORMING TOOL |
摘要 |
A tool for cleaning and/or forming holes, the tool having a shaft,(13) the shaft having a lower end and at least two buckets (15, 16) attached to adjacent the lower end of the shaft (13), each bucket having an open mouth which extends radially from the axis of the shaft (13) such that rotation of the shaft about its axis causes rotation of the buckets (15, 16) causing dirt to pass through the mouth of each bucket.
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申请公布号 |
WO03050360(A1) |
申请公布日期 |
2003.06.19 |
申请号 |
WO2002AU01589 |
申请日期 |
2002.11.25 |
申请人 |
MAHER, GRAEME, DUNCAN;KELLY, EDWARD, ARTHUR |
发明人 |
MAHER, GRAEME, DUNCAN;KELLY, EDWARD, ARTHUR |
分类号 |
E02F3/02;E02F5/20;E21B11/00;(IPC1-7):E02F3/02;E04H17/26;E21B10/26 |
主分类号 |
E02F3/02 |
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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