Patent ID: 6134996
Filing Date: 2000-10-24
Classification: B23B,Y10T

Abstract:
A tool head for use in machine tools, comprising a base body, a tool shank adapted to be coupled to a machine spindle and protruding axially over the base body, at least one working slide adapted to be displaced essentially transversely with respect to a base body axis and having a tool holding fixture protruding over a front face thereof, an adjusting motor disposed in the base body and acting on the working slide in a direction of displacement by means of a transmission means, wherein the transmission means comprises an output shaft adapted to be rotated concentrically with respect to the base body axis, the output shaft carrying a drive sprocket disposed on a free end of the output shaft, the drive sprocket meshing with a first tooth rack disposed on a side of the working slide, and connected to the working slide, and a compensation slide disposed in the base body, the compensation slide adapted to be displaced in a direction opposed to the working slide by a second tooth rack that meshes with the drive sprocket and which is disposed on a side of the compensation slide and connected thereto, wherein the working slide and the compensation slide are disposed at an axial distance from one another under formation of a free space, and the first tooth rack of the working slide, the second tooth rack of the compensation slide and the drive sprocket extend into the free space, and wherein the compensation slide includes an elongated hole as a through passage for the output shaft.