| 摘要 |
<p>A drilling assembly configured for attachment to a working platform, the assembly comprising: an attachable frame for mounting a drilling apparatus and configured for attachment to the working platform during use; an adjustment mechanism for pivotally adjusting the orientation of the drilling apparatus relative to the attachable frame; said adjustment mechanism comprising a mounting attachment for pivotally attaching the drilling apparatus to the attachable frame and a locking device for locking the drilling apparatus in a plurality of orientations relative to the attachable frame during use.</p> |
