WOOD SCREW
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United States of America Patent
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N/A
Issued Date -
Jun 26, 2014
app pub date -
Dec 26, 2012
filing date -
Dec 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A wood screw provides a plurality of auxiliary cutting areas disposed on a bottom surface of a head and a flat area formed in any two adjacent auxiliary cutting areas. Each auxiliary cutting area includes at least two cutting grooves disposed at intervals and formed on the bottom surface, and a cutting edge formed at a convergence of the connective cutting grooves. When the bottom surface contacts the surface of the wood, the cutting edge cuts and scrapes off burrs generated around the drilling hole, and the scraped burrs are accommodated in the cutting grooves to prevent the burrs from exposing to the head after screwing. Further, the head is tightly screwed on the wood to enhance the screwing stabilization.
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