Patent ID: 7124795

Claim:
A cutting tool for a stump cutter device, having a holder and at least one cutter insert unit wherein the cutter insert unit has a cutter head and a shank, and wherein the cutter insert unit is connectible with the holder by the shank, the cutting tool comprising: the shank ( 32 , 42 ) of the cutter insert unit ( 30 , 40 ) respectively having at least a tapering shank section ( 32 . 1 , 42 . 1 ) and at least a widened shank section ( 32 . 2 , 42 . 2 ), and the holder ( 20 ) having a recess ( 22 ) with protrusions ( 22 . 1 ) corresponding to the tapering shank section ( 32 . 1 , 42 . 1 ) and an undercut area ( 22 . 2 ) corresponding to the widened shank section ( 32 . 2 , 42 . 2 ) for providing a positive connection between the shank ( 32 , 42 ) and the holder ( 20 ); wherein the cutting tool mounts on a lateral face of a rotating body of the stump cutter device.