Patent ID: 9561551
Date: 2017-02-07
CPC Classifications: B02C,B23C,Y10T

Claim:
1. Tool-toolholder unit adapted to be fixed to a rotor of a mincing/milling machine and comprising a tool and a toolholder, said tool comprising a lower face and a rear face from which a cylindrical body protrudes, a coupling hole being formed in said cylindrical body; said toolholder comprising a body from which a protruding element protrudes so as to form a front recess with a lower face and a front face, a through hole being formed in said toolholder; so that the coupling of the tool with the toolholder is obtained by laying the lower face and the rear face of the tool on the lower face and on the front face of the toolholder, respectively by inserting the cylindrical body in the through hole so as to arrange the coupling hole and the through hole coaxially to each other, and inserting a screw in the through hole of the toolholder and in the coupling hole of the tool; wherein the lower face of the toolholder is placed on a plane tangent to the inner surface of the through hole of the toolholder and wherein the lower face of the tool is placed on a plane tangent to the outer surface of the cylindrical body of the tool.