Cutlery – Perforating or indenting implements – With portion positioned in work aperture
Patent
1985-04-22
1988-03-15
Kazenske, E. R.
Cutlery
Perforating or indenting implements
With portion positioned in work aperture
30362, 30366, B26F 100
Patent
active
047303956
ABSTRACT:
A dry wall and masonary cutting tool comprised of an interior cutting box, the interior cutting box having a plurality of forward facing teeth for cutting a dry wall panel, a pair of locating nails for precisely locating the interior cutting box with respect to an exterior cutting box and, a pair retaining clips for retaining the interior cutting tool in the receptacle and a center threaded passage for accepting a threaded connecting screw; an exterior cutting box, the threaded connecting shaft and hole cooperating to pull the interior and exterior box together to cut the hole in the dry wall material; and a compression spring to push the threaded connecting shaft to an outward position when not engaged in drilling. In operation, the interior cutting box is placed in a wall receptacle, the panel pressed into place, the exterior cutting box positioned on the locating nails, and a hole drilled through the panel. The threaded connecting shaft engages the threaded hole in the exterior cutting teeth to cut through the panel. Once fully cut, the entire tool along with the cut material is removed from the wall.
REFERENCES:
patent: 3391460 (1968-07-01), Moore
patent: 4087913 (1978-05-01), Jackson
Folkerts Michael D.
Kazenske E. R.
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