发明名称 Edge cutter assembly for use with a rotatable drum
摘要 An edge cutter bit assembly for use in conjunction with a rotatable drum having an edge. The edge cutter bit assembly includes a holder that includes a plurality of bores wherein each bores carries a chisel cutter bit so that the chisel cutter bit is non-rotatable. The holder is oriented with respect to the drum so that at least a portion of each one of the cutter bits extends past the edge of the drum.
申请公布号 US7475949(B2) 申请公布日期 2009.01.13
申请号 US20060598324 申请日期 2006.11.13
申请人 KENNAMETAL INC. 发明人 HELSEL ERIC P.;STIFFLER STEPHEN P.
分类号 E21C35/18 主分类号 E21C35/18
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