Step drill for wood

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United States of America Patent

PATENT NO 9156094
APP PUB NO 20130189044A1
SERIAL NO

13744501

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A wood drill bit has a plurality of step sections where each step section has at least one flute that terminates in a cutting edge. The effective diameter of each of the plurality of step sections is different than the diameter of the other of the plurality of step sections such that a single bit may be used to bore holes in wood of different diameters.

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Patent Owner(s)

Patent OwnerAddress
BLACK & DECKER INC1207 DRUMMOND PLAZA NEWARK DE 19711

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Durfee, LaVerne R Harmony, US 17 189
Hall, Ryan F Charlotte, US 1 4

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