发明名称 Auger cleaners
摘要 A tool for removing debris from a helical blade of an auger or other screw-conveyor, the tool comprising a central shaft about which is helically arranged a plurality of radially projecting elements. In use, the tool is rotated as the auger is withdrawn from the ground, and the radially projecting elements pass between adjacent flights so as to remove locked-in soil.
申请公布号 US6189681(B1) 申请公布日期 2001.02.20
申请号 US19990367937 申请日期 1999.11.24
申请人 ENGLAND MELVIN GERARD 发明人 ENGLAND MELVIN GERARD
分类号 E21B12/06;(IPC1-7):B65G45/18 主分类号 E21B12/06
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