| 摘要 |
Device for drilling undercut holes, in particular in facade panels. …<??>To drill undercut holes, devices are known which have a bearing bush which is provided with a spherical hollow and in which a drilling tool provided with a collar is supported and pivotably mounted. …<??>To drill accurate holes and to avoid tool damage, the sleeve of the device, which sleeve is provided with a collar, is firmly connected to the drilling machine. Furthermore, the collar is supported linearly with one end face in the bearing bush and has at the other end face an elastically deformable element which projects beyond the end face and axially restrains the collar in the bearing bush. …<IMAGE>… |
