Circular saw having wiper tips
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United States of America Patent
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-
Jul 10, 2007
Grant Date -
Nov 2, 2006
app pub date -
Mar 3, 2006
filing date -
Apr 28, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A circular saw including an annular disk-shaped base adapted to be driven about an axis of rotation, a plurality of tip supports formed along the outer circumference of the base integrally therewith so that a gullet is defined between adjacent ones of the tip supports, a plurality of tip inserts respectively fixed to the tip supports, a plurality of openings formed through the base on substantially the same circumference of a circle so as to be equally spaced apart from each other in the circumferential direction of the base, and a plurality of wiper tips respectively fixed to wall surfaces defining the openings on the downstream side of a rotational direction of the base. Each wiper tip has a front surface formed as a concave surface in cross section.
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