Patent ID: 8414230

Claim:
A suction cup dust extractor for a drill comprising: a housing; a drill collar attached to the housing, having a drill passage formed through it; a recess formed by the walls of the housing having a planar opening; a seal attached to the walls of the recess and which surrounds the planar opening and which, in use, locates against a work piece to create an air tight seal between the housing and the work piece; an aperture located on the housing through which air can pass; at least one first air passage formed within the housing which enables air to pass from the drill passage to the aperture; and at least one second air passage formed within the housing which enables air to pass from the recess to the aperture, wherein, the seal comprises a base which is attached to the walls of the recess and a flange which is attached to and extends from the base at an oblique angle to the plane of the opening, and wherein the outer perimeter of the flange is supported by a secondary wall connected to the housing.