| 摘要 |
The invention relates to a barking device comprising a barking arm ( 1 ) and a barking tool ( 2 ) which is mountable in a tool seat of the barking arm. The barking tool comprises a convex mounting surface ( 13 ), while the seat surface ( 7 ) of the barking arm is concave. The barking tool is, with the aid of a connecting means, mountable in the tool seat and displaceable by rotating displacement. The connecting means comprises a screw ( 18 ) and a sleeve-like nut ( 21 ). The head ( 20, 23 ) of one of the connecting means parts ( 18, 21 ) is designed to prevent displacement and rotation.
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