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US 2010/0074705 A1Published application
Grinder bit
AssigneeRaytheon Company
InventorJonathan J. Carr
Life of this patent
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Abstract
An apparatus for grinding material, including a grinder bit including a drum, a plurality of grinders, at least a portion of the grinders disposed longitudinally in a first helical pattern along the outer surface of the drum, and a plurality of cleats, at least a portion of the cleats disposed longitudinally in a second helical pattern along the outer surface of the drum, the second helical pattern offset from the first helical pattern.
Claims22
An apparatus for grinding material, comprising:
- a grinder bit comprising:
- a drum;
- a plurality of grinders, at least a portion of the grinders disposed longitudinally in a first helical pattern along the outer surface of the drum;
- and
- a plurality of cleats, at least a portion of the cleats disposed longitudinally in a second helical pattern along the outer surface of the drum, the second helical pattern offset from the first helical pattern.
2 more elements
Dependencies are inferred from the claim text.