Box joint blade system
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United States of America Patent
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Oct 23, 2018
Grant Date -
N/A
app pub date -
Sep 2, 2004
filing date -
Sep 2, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A box-joint blade system includes left- and right-directed blades that each include a saw plate, a set of saw tips, and a set of gullets disposed between the tips. The tips of each blade are axially offset from the saw plate in opposite directions, such that the blades may be mounted on the axis of the saw in either a first configuration, with left and right saw tips outwardly offset and producing a wide cut, or a second configuration, with the tips inwardly offset and producing a narrow cut. In at least the second configuration, the tips of each blade are disposed within the gullets of the other. The tips optionally have a positive hook angle of up to 20° or more, to produce a smooth, flat-bottomed groove in a workpiece.
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