| 摘要 |
A dust-extraction device for extracting dust particles from the drill or the like (6) of a hand tool comprises an extraction fan with a fan rotor (7) which is driven by the chuck (5) of the hand tool. The fan rotor is surrounded by a fan housing (12) which is connected to the machine in such a way that it cannot rotate and has a suction inlet, which is attached to bellows (17) or the like which surround the drill (6), as well as an outlet which opens into a dust-storing container, for example in the form of a dust filter. <IMAGE>
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