Invention Grant
US08683638B2 Rotary tool 有权
旋转工具

Rotary tool
Abstract:
The subject of the present invention is a rotary tool (1) for surface treatment. This is equipped with a brush holder (3) which can be driven in rotation for an annular brush (4) with a brush strip (5) and bristles (6) protruding outwardly from the brush strip (5). According to the invention, coolant for the cooling thereof is supplied to the brush holder (3) and/or the annular brush (4).
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