Rock boring device with an oscillating and nutating rotary disc cutter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 27, 2007
Grant Date -
N/A
app pub date -
Jan 20, 2000
filing date -
Jan 20, 1999
priority date (Note) -
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Abstract
A rock boring device (10) including a rotary disc cutter (11). The disc cutter (11) is driven in an oscillating manner and also driven or free to nutate, and the device includes a mounting section (22) for the rotary disc cutter and a driven section (21), and wherein the mounting section (22) is angularly offset from the axis of the driven section whereby the rotary disc cutter will both oscillate and nutate.
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