Patent ID: 7168900

Claim:
A tool support for fixed rotating tool, comprising: a tool support means ( 2 ) having a collet chuck receiver ( 4 ) embodied therein, wherein said collet chuck receiver ( 4 ) has a tapering bore ( 5 ) having a bore axis ( 14 ) defined therein; said tool support means ( 2 ) comprising an internal screw thread ( 12 ) coaxial to said bore axis ( 4 ) and adapted to receive a tensioning nut ( 10 ) with an external screw thread ( 11 ) to be screwed into said internal screw thread ( 12 ), a finely worked level first end face ( 18 ) at said tool support means ( 2 ) assigned to the tapering bore ( 5 ) and extending at right angles to said bore axis ( 14 ), said first end face ( 18 ) being located in an axial distance from said tapering bore ( 85 ); fastening means ( 20 ) on the tool support means ( 2 ) that are independent of said internal screw thread ( 12 ) for releasably fastening a tool clamping insert ( 23 ) having a tapering receiving neck ( 24 ) inserted into the tapering bore ( 5 ), in place of said collet chuck ( 6 ), of the tool support means ( 2 ) wherein the fastening means are accessible from a tool receiving side of said tool support means ( 2 ).