Clean grinding system

Details Clean grinding system Clean grinding system

1998-02-27

2000-02-22

Hail, III, Joseph J.

Abrading

Frame or mount

Portable abrader

451354, 451451, 451456, B24B 2302

Patent

active

060273992

ABSTRACT:
A grinding tool accessory for containing and removing dust formed by a grinding disk comprises: a flexible housing adapted for mounting on the grinding tool and defining a first chamber for collecting the dust prior to removal, the housing having an edge spaced from an outer perimeter of the grinding disk and defining an annular gap; the housing having an outlet adapted for connection to a source of vacuum and a dust collector; a brush extending from the edge and together with the grinding disk defining a second chamber, the brush having bristles with different lengths dimensionally related to the gap, dust being drawn from the second chamber into the first chamber through the gap and thereafter into the dust collector by the vacuum; and, the housing having at least one sealable hole to adjust the vacuum for optimizing containment and collection of the dust as the grinding tool is moved over flat and contoured portions of a work surface.

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