Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 7, 2008
Patent Application Number
11634203
Date Filed
December 6, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A rock boring device includes a rotary disc cutter. The disc cutter is driven in an oscillating manner and may be driven or free to nutate, and the device includes a mounting section for the rotary disc cutter and a driven section. The mounting section may be angularly offset from the axis of the driven section whereby the rotary disc cutter can oscillate and/or nutate.
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