发明名称 MINER CUTTING BIT HOLDING APPARATUS
摘要 An assembly for mounting a cutter bit on a driven mechanism, the assembly comprising a bit holder including a holding portion adapted to receive the bit and a mounting base rear portion. The bit holder holding portion is a forward portion, the forward portion being separate from but connected to the mounting base rear portion.
申请公布号 CA2728874(A1) 申请公布日期 2011.07.22
申请号 CA20112728874 申请日期 2011.01.20
申请人 JOY MM DELAWARE, INC. 发明人 ZIMMERMAN, JOSEPH J.;CHANDLER, PETER P.
分类号 E21C25/10 主分类号 E21C25/10
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