Wavy disc blade with notches
AssigneeNatt Tolls Group Inc.
InventorDonald Joseph Sanderson
Life of this patent
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Abstract
A wavy disc blade is provided. The wavy disc blade includes a first side, a second side, a central portion having at least one opening, and a wavy portion adjacent to, extending radially from and circumferentially about the central portion. The wavy portion includes a plurality of waves extending from the central portion to an edge portion, the waves forming a plurality of crests and valleys between the central portion and the edge portion. The wavy disc blade also includes a plurality of teeth formed along the edge portion. At least one of a first beveled portion may be formed on the first side at and along the edge portion and a second beveled portion may be formed on the second side at and along the edge portion.
Claims20
A wavy disc blade, comprising:
- a first side;
- a second side;
- a central portion having at least one opening formed therein;
- a wavy portion adjacent to, extending radially from and circumferentially about the central portion, the wavy portion having a plurality of waves extending from the central portion to an edge portion, the waves forming a plurality of crests and valleys between the central portion and the edge portion;
- a plurality of cutting teeth formed along the edge portion, each tooth of the plurality cutting teeth having a first engagement surface and a second engagement surface, the first engagement surface being shorter than the second engagement surface so that each tooth is asymmetrically shaped;
- and
- at least one of a first beveled portion on the first side at the edge portion and a second beveled portion on the second side at the edge portion.
A wavy disc blade, comprising:
- a first side;
- a second side;
- a generally circular central portion having at least one opening formed therein;
- a wavy portion adjacent to, extending radially from and circumferentially about the central portion, the wavy portion having a plurality of waves extending from the central portion to an edge portion, the waves forming a plurality of crests and valleys between the central portion and the edge portion;
- a plurality of teeth formed along the edge portion;
- and
- a plurality of notches formed along the edge portion, wherein notches of the plurality of notches are alternately positioned between teeth of the plurality of teeth, each notch of the plurality of notches having one of a first beveled portion formed on the first side of the disc blade or a second beveled portion formed on the second side of the disc blade.
Dependencies are inferred from the claim text.