Patent ID: 6295696
Filing Date: 2001-10-02
Classification: A47L,B08B,B23Q,F28G

Abstract:
A vacuum cleaning apparatus for cleaning an area proximate to a workpiece comprising, in combination:means for sealing an area to be cleaned against the passage of dirt therefrom, the area being proximate to a workpiece, wherein the means for sealing is a flexible skirt disposed about the workpiece and encompassing the area proximate to the workpiece, the flexible skirt having a top peripheral edge and a bottom peripheral edge, and further comprising a seal dimensioned and configured to contact the workpiece such that passage of air and dust to and from the area encompassed by the skirt is inhibited, the seal disposed about the top peripheral edge of the skirt, and closure means for releasibly affixing the skirt about the workpiece;vacuum means for creating a high-pressure zone within the area to be cleaned and a low-pressure zone within the area to be cleaned;an intake manifold positioned at the low-pressure zone and operationally connected to the vacuum means; whereinair within the high-pressure zone is forced toward the low-pressure zone, whereby dirt within the area to be cleaned is propelled into the intake manifold.