发明名称 Apparatus for construction works
摘要 The apparatus has a slide (20) guided in a longitudinally displaceable manner on a front side (5) of a mast for supporting a tool, and a drive chain arranged longitudinally to the mast. A drive pinion is supported on the slide in a rotatable manner, which is engaged with the drive chain. The drive chain and the drive pinion are arranged in the direction of the slide in front of the front side of the mast.
申请公布号 EP1672165(A1) 申请公布日期 2006.06.21
申请号 EP20040029335 申请日期 2004.12.10
申请人 BAUER MASCHINEN GMBH 发明人 STOETZER, ERWIN
分类号 E21B15/00 主分类号 E21B15/00
代理机构 代理人
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