Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 11, 2018
Patent Application Number
14512581
Date Filed
October 13, 2014
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An improved bit holder includes a larger bit shank bore and an enlarged upper shank segment or band with a taper of up to 7 degrees per side that provides an interference fit between the top of the shank and top of the bit block bore when the bottom of the bit holder body seats on the top of the bit block bore. An annular tapered void adjacent the bit holder tire portion provides for ease of bit holder extraction.
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