Invention Grant
US07461675B2 Barking device and barking tool 有权
吠叫装置和吠叫工具

Barking device and barking tool
Abstract:
The barking device includes a barking arm and a barking tool which is mounted in a tool seat of the barking arm. The barking tool has a convex mounting surface, while the seat surface of the barking arm is concave. The barking tool is movably mounted in the tool seat and displaceable by rotating displacement. It is connected to the tool seat by a screw and a sleeve-like nut. The head of one of the screw or nut is designed to prevent displacement and rotation of the barking tool.
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