发明名称 DRILL ROD SUPPORT, AND DRILL ROD SUPPORT HALF
摘要 <p>Drill rod support (10) comprising means capable of moving two opposing drill rod support halves (20), each half (20) comprising a surface (21) for direct contact with the drill string (30), and the half being provided with a recess (23) capable of forming a drill string opening (22) with an opposing drill rod support half (20), the recess (23) being generally V-shaped, for enabling guiding of drill strings (30) of different shape and dimension. The invention is characterized in that the drill rod support halves (20) are movable to and from each other, for enabling contact with the drill string (30). The invention also relates to a drill rod support half (20) for use in such drill rod support.</p>
申请公布号 EP1853790(A1) 申请公布日期 2007.11.14
申请号 EP20060716949 申请日期 2006.02.28
申请人 ATLAS COPCO ROCK DRILLS AB 发明人 FRANZEN, HAAKAN
分类号 E21B19/24 主分类号 E21B19/24
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