Patent ID: 8790050
Filing Date: 2014-07-29
Classification: B21J,B23B,B23Q,Y10T

Abstract:
1. A drilling system comprising: a support structure to be mounted on a surface to be drilled, a beam supported by the support structure, a tool holder supported by said beam, said tool holder having a locking orifice, and a drilling tool mounted on said tool holder for drilling in the direction of a drilling axis, wherein a mounting of the tool holder on the beam and a mounting of the drilling tool on the tool holder each comprise a sliding connection which permits sliding in a direction parallel to the drilling axis defined by said tool, wherein said drilling tool comprises: wherein the drilling system being arranged and configured so that the relative movement between the ring locked in the locking orifice and the bearing mandrel procures, by movement of the drilling tool relative to the tool holder via the slide connection, a movement of the bearing mandrel towards the surface to be drilled, through the locking orifice.