FOERFARANDE OCH ANORDNING FOER ATT RIKTA MEJSELSLAG VID LOSSBILDNING AV BELAEGGNINGAR FRAAN UNDERLAG

摘要

The present invention relates to a process and a device for aligning hewing chisels 2 when it is planned to place a percussion hammer 1 with hewing chisel 2 at an angle (α) other than 90 degrees to the ground surface. What is characteristic of the invention is that a counterstay 7 is placed close to the tip of the chisel 2 so that the chisel 2 lies free from torque in its retention in the retaining device of the percussion hammer 6.