Patent ID: 7422219
Filing Date: 2008-09-09
Classification: B23B,Y10T

Abstract:
1. Interface of a tool having a first part comprising a seat configured as a female taper, which part has a first conduit section located concentrically with its center axis, a second part having a hollow shaft taper introduceable into the female taper, which part has a second conduit section located concentrically with its center axis and a hole with a wall which is provided with an annular groove surrounding a clamping shoulder, where the center axes of the first and second parts align, and having a collet chuck anchored in the first part having two chuck jaws which comprises an actuating device coacting with the chuck jaws which can be activated by means of an actuating element, where the chuck jaws engage the annular groove from inside in one operating position, wherein the collet chuck has a full-length central passage which continues firstly into the first conduit section in the first part and secondly into the second conduit section in the second part and in that the actuating device has a caging element which can be shifted to two operating positions and which has a central passage which is located such that the center axes of the first and second parts run through said passage in both operating positions, wherein the actuating device is accessible through a first radial recess in the hollow shaft taper and through a second radial recess provided in the first part and aligning with the first recess.