US Patent 8070398 Multi-blade self feed bit
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Patent 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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US Patent 08070398 Multi-blade self feed bit US Patent 8070398 Multi-blade self feed bit
Infobox
Patent Number
0807039800
Patent Number
807039800
Edits on 4 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
080703980
Date of Patent
December 6, 2011
0Patent Application Number
120330570
Date Filed
February 19, 2008
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
080703980
Date of Patent
December 6, 2011
0Patent Application Number
120330570
Date Filed
February 19, 2008
0Patent Primary Examiner
Edits on 14 Dec, 2021
Golden AI
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US Patent 08070398 Multi-blade self feed bit
Infobox
Is a
Patent jurisdiction
Patent number
08070398
Date of patent
December 6, 2011
Patent application number
12033057
Date Filed
February 19, 2008
Patent primary examiner
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