Patent ID: 9404229
Filing Date: 2016-08-02
CPC Classification: B28D,E01C,E21C

Claim Text:
1. A composite tool for a milling drum comprising: at least one forward milling tool holder, as regarded in the direction of rotation (U) of said milling drum, and at least one rearward milling tool holder disposed directly behind said forward milling tool holder, as regarded in the direction of rotation (U) of said milling drum, and offset therefrom in the axial direction of the axis of rotation (R) of the milling drum, wherein each of said milling tool holders is adapted to accommodate a milling tool, each of the milling tool holders comprising: a base element having a bottom surface for attachment to a supporting barrel of a milling drum and a top surface disposed opposite to said bottom surface; a holding member projecting upwardly from the top surface of the base element and comprising a continuous receiving channel for the accommodation of said milling tool, which receiving channel extends through said holding member from a front side opening on the forward side to a rear side opening on the rearward side, wherein at least on the base element of said rearward milling tool holder, as regarded in the direction of tool advance, there is provided, adjacent to said holding member, a supporting area for a milling tool replacement device, which supporting area opens out to said forward milling tool holder and comprises a device configured to provide stabilized guidance of said milling tool replacement device from the supporting area of said rearward milling tool holder toward the rear side opening of the receiving channel of said forward milling tool holder and to prevent movement of said milling tool replacement device in opposite axial directions relative to the supporting area.