Patent ID: 6579027
Filing Date: 2003-06-17
Classification: B23B,F16B,Y10T

Abstract:
A device for connecting a tool head including a hollow tool shank to a clamping shank having a seat for receiving the hollow tool shank, a clamping mechanism having at least two clamping elements or clamping-element pairs arranged at an angular distance from one another and, in a clamping position, connecting the hollow tool shank and the clamping shank to one another in a force-fitting manner, and an actuating mechanism for limited displacement of the clamping elements between a release position and the clamping position, wherein a centering element engages the clamping elements of the clamping mechanism, and wherein the centering elements are rigidly connected to one another by axially parallel webs so as to form a centering cage which engages the clamping mechanism with axial play and at least one axially central recess in a region of a base of the clamping shank and in the hollow tool shank, leaving open an axial space.