Woodworking – Rotary cutter – Solid
Reexamination Certificate
2006-10-24
2006-10-24
Miller, Bena (Department: 3725)
Woodworking
Rotary cutter
Solid
C144S024120, C144S218000, C144S235000, C241S294000, C407S118000
Reexamination Certificate
active
07124795
ABSTRACT:
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 can be connected with the holder by its shank. To achieve a simple and cost-effective tool exchange, along with the simultaneous low wear of the contact faces, the shank of the cutter insert unit respectively has at least a tapering shank section and at least a widened shank section. The holder has a recess with protrusions corresponding to the tapering shank section and an undercut area corresponding to the widened shank section and thus provides a positive connection between the shank and the holder.
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Betek Bergbau-und Hartmetalltechnik Karl-Heinz Simon GmbH &
Miller Bena
Pauley Petersen & Erickson
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