A feed beam for a rock drill comprises a die beam (10) of aluminium, which has two beads (12, 13). Guides (20) for a cradle for a rock drill can be snapped onto the beads to embrace the beads and thereby be secured to the beads.
申请公布号
AU4174085(A)
申请公布日期
1985.10.31
申请号
AU19850041740
申请日期
1985.04.26
申请人
ATLAS COPCO A.B.
发明人
LARS GUSTAV RAYMOND ANDERSSON;STEFAN HERMAN GEORG SCHORLING