Cutting blade for rotary cutting machinery

Details Cutting blade for rotary cutting machinery Cutting blade for rotary cutting machinery

A - Human Necessities

01

D

A01D 34/73 (2006.01)

Patent

CA 2041429

CUTTING BLADE FOR ROTARY CUTTING MACHINERY A rectangular metallic plate cutting blade having an opening at the center thereof for attaching the plate to a rotary power shaft. A pair of trapezoidally-shaped cutting recesses are cut into the leading edges of the blade. The edges of the plate defining the cutting recesses are beveled to provide sharp cutting edges. A turbulence flange extends upwardly from the trailing edge of the metallic plate on the opposite side of the plate from each of the trapezoidally-shaped cutting recesses. Each of these turbulence flanges is from about 1.0 to about 1.5 times as long as the width of the trapezoidally-shaped recess with which it is aligned across the blade, and defines an angle of from about 35° to about 55° with respect to the major plane of the rectangular plate.

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