Patent ID: 11944025
Assignee: OSMUNDSON MFG. CO.
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 0:
1. A ground engaging agricultural tillage blade comprising:
a disc comprising a central opening adapted to be attached to an implement for rotation about an axis of rotation, the disc comprising an outer periphery extending along a circumference of the disc; and
a plurality of step plane notches disposed in the outer periphery of the disc alternating with a plurality of edge segments extending along the disc circumference, each step plane notch comprising a width and a major section comprising a uniform depth;
wherein each edge segment comprises a length that is greater than the width of each step plane notch;
wherein the width of each step plane notch is the same;
wherein the uniform depth of the major section is the same for each step plane notch;
wherein the uniform depth of the major section of each step plane notch is 50% or less of the width of the respective step plane notch; and
wherein at least the major section of each step plane notch comprises a sharpened edge.