Patent ID: 8899597
Filing Date: 2014-12-02
Classification: B23B,Y10T

Abstract:
1. A tool clamping system comprising a tool holder with a cylindrical seating hole for receiving a tool shank and a tool having a substantially cylindrical tool shank to be seated in the seating hole, the system comprising: a spiral shaped circumferential groove located in the seating hole; a recess along a single side of the peripheral surface of the tool shank located at a portion of the shank to be received in the seating hole, the recess forming an axially aligned flat; and a clamping wedge body having dimensions which correspond to the dimensions of the recess so that the wedge is suited to engage into the recess, the wedge body having a first surface which is flat and dimensioned such that it abuts against, and directly opposite of the flat of the recess and a second surface provided with spiral-shaped ribs matching said groove of the seating hole, the ribs being located directly opposite the said flat of the recess.