| 摘要 |
<p>The jig (10) has a set of guidance units or guidance rods (21a, 21b), and a fastening unit of a fixing unit is arranged on the jig. A flange (50) is designed to receive a nose of a drilling tool, where the flange is allowed to slide along the guidance rods. The set of guidance units or rods are arranged in an approximately parallel manner. The fastening unit comprises a gun (30) that comprises two grooves. The flange is arranged with a set of openings. The fastening unit is arranged with an anti-rotation unit i.e. plate (40). Independent claims are also included for the following: (1) a drilling system (2) a method for drilling a support.</p> |
