Abrading – Frame or mount – Portable abrader
Reexamination Certificate
2005-12-06
2005-12-06
Nguyen, George (Department: 3723)
Abrading
Frame or mount
Portable abrader
C451S359000, C451S453000, C451S456000
Reexamination Certificate
active
06971952
ABSTRACT:
A sanding tool10includes a block11mounting an abrasive member50, and a shroud12which extends around the block and includes a channel20which is configured to receive abraded dust. The abrasive member is configured to project beyond an outer edge regions16of the shroud12. The shroud further includes an outlet21which is connected to a source of suction, and at least one inlet22which is formed as an interruption in the edge regions16of the shroud12. In use, when the sander is located on a planar surface, and suction is applied to the outlet, air is able to be drawn into the channel over the edge region of the peripheral wall and the inlet is configured to introduce a draft through said channel to facilitate clearing of abraded dust from the channel to the outlet.
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Shaw, C. J., Particle -collecting sander device- has negative pressure base secured to exteriorly-grooved cover overlaid by porous abrasive, 1988 Derwent Publications Ltd.
Coleman Henry
Nguyen George
Sapone William J.
Sudol R. Neil
Whitbury Corporation Pty Ltd
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