Portable adjustable cutting apparatus for cutting and shaping sink holes in stone countertops
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United States of America Patent
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Jan 3, 2017
Grant Date -
N/A
app pub date -
Oct 18, 2012
filing date -
Oct 18, 2011
priority date (Note) -
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Abstract
Three portable apparatus are operative sequentially to cut and shape sink holes in stone countertops, each adjustably engaging with the same prior art sink template to control reveal. A first apparatus makes linear cuts in stone using a disk-shaped saw blade while adjustable flange wheels follow the template. A lift biases the disk-shaped saw blade out of the stone when not cutting. A second apparatus cuts inside corners and curves using a contour saw blade while adjustable guide fences follow the template. The spindle shaft angle can be varied to leave a finished side vertical. A third polishing apparatus uses an abrasive drum and an adjustable rotating rub collar around the drum abrasive that operatively changes a distance between the drum abrasive and sink template to adjust for different diameter drums and adjust as the drum abrasive diameter changes due to wear.
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