| 摘要 |
A suction cup dust extractor for a drill comprising: a housing (10); a drill collar (12) attached to the housing (10), having a drill passage (18) formed through it; a recess (38) formed by the walls (50, 52) of the housing (10) having an opening which, in use, locates against a work piece to create a chamber; a single aperture (24) located on the housing (10) through which air can pass; at least one first air passage (32) formed within the housing (10) which connects between the aperture (24) and the drill passage (18) and which enables air to pass from the drill passage (18) to the aperture (24); and at least one second air passage (36) formed within the housing (10) which connects between the recess (38) and the at least one first air passage (32) inside of the housing (10) and which enables air to pass from the recess (38) to the aperture (24) wherein there is further provided a connection collar (2) which is connected to the aperture via a flexible tube (72) only; wherein the aperture (24) has a longitudinal axis (28), and the drill collar (12) has a longitudinal axis (22), the longitudinal axis (28) of the aperture (24) being orientated substantially perpendicularly to the longitudinal axis (22) of the drill collar (12). |
