发明名称 Cutters for removing tree roots - has differently shaped cutting heads which are fitted to pneumatic drills and have cutting edges to sever underground roots
摘要 The cutters have a variety of shapes with different cutting heads and with serrated edges to sever all types of underground roots. The tools are fitted into conventional pneumatic drills and the cut root lengths are removed by attaching lifting eyes. The lifting eyes are attached by screw fastenings or by ramming into the root sections. The sections are hauled out of the ground by vehicles or horses, or by pulleys systems under A-frames. ADVANTAGE - The roots are cut into lengths suitable for hauling out of the ground with a minimum of effort and using conventional tools.
申请公布号 DE4242305(A1) 申请公布日期 1994.06.16
申请号 DE19924242305 申请日期 1992.12.15
申请人 ZURELL, ARNOLD, 81243 MUENCHEN 发明人 ZURELL, ARNOLD, 81243 MUENCHEN
分类号 A01G23/06;(IPC1-7):A01G23/06 主分类号 A01G23/06
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