Cutting by use of rotating axially moving tool – Tool or tool with support – Having axially extending peripheral cutting spur
Reexamination Certificate
2008-02-19
2011-12-06
Gates, Eric A (Department: 3726)
Cutting by use of rotating axially moving tool
Tool or tool with support
Having axially extending peripheral cutting spur
C408S214000, C408S225000, C408S227000
Reexamination Certificate
active
08070398
ABSTRACT:
A shank that has one end adapted to be connected to a chuck of a rotary tool. The opposite end of the shank supports a cutting head having a series of teeth formed on the edge thereof for cutting the periphery of the hole. A screw tip may be provided for feeding the bit into and through the wood. A plurality of cutting blades are provided for boring the interior of the hole. The cutting blades define a plurality of cutting edges that are disposed at different angles to a plan perpendicular to the axis of rotation.
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Gates Eric A
Irwin Industrial Tool Company
Moore & Van Allen PLLC
Williamson Dennis J.
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