| 摘要 |
A suction cup dust extractor for a drill having a housing; a drill collar attached to the housing, having a drill passage formed through it; an aperture located on the housing through which air can be sucked out by a suction device; a recess formed by the walls of the housing having an opening which, in use, locates against a work piece to create a chamber; at least one first air passage formed within the housing which enables air to pass from the drill passage to the aperture; at least one second air passage formed within the housing which enables air to pass from the recess to the aperture; and a manually operable valve mechanism mounted in the housing which is connected to the recess and which, when operated, allows air surrounding the housing to freely enter the recess when its opening is located against a work piece; characterized in that the housing further comprises a hand grip), the valve mechanism being mounted, at least in part, inside of the hand grip.
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