Cutting device with tapered cutting element
AssigneeJoy Global Underground Mining LLC
InventorsJoaquim Antonio Soares de Sousa, Michael Laing
Life of this patent
Estimating the term…
Abstract
A cutting device for cutting rock includes a disc and a plurality of cutting elements secured to the disc. The disc is supported for rotation about an axis of rotation, and the disc includes a peripheral edge extending around the axis of rotation. The plurality of cutting elements are spaced apart along the peripheral edge of the disc and positioned in a cutting plane. Each of the cutting elements includes a base portion and a cutting portion including a cutting edge, and the cutting portion has a width that is larger than a width of the base portion.
Claims20
A cutting device for engaging a rock face, the cutting device comprising:
- a disc supported for rotation about an axis of rotation, the disc including a peripheral edge extending around the axis of rotation;
- and
- a plurality of cutting elements secured to the disc, the plurality of cutting elements spaced apart along the peripheral edge of the disc and positioned in a cutting plane spaced from the disc, each of the cutting elements including a base portion, a cutting portion including a cutting edge, and a longitudinal axis extending through the cutting edge, the cutting portion having a width that is larger than a width of the base portion, the cutting edge aligned in the cutting plane that is generally orthogonal relative to the axis of rotation.
A cutting head for a mining machine, the cutting head comprising:
- a boom configured to be supported on a frame;
- a drive mechanism;
- and
- a cutting device supported on the boom and driven by the drive mechanism, the cutting device including
- a disc supported for rotation about an axis of rotation, the disc including a peripheral edge extending around the axis of rotation, and
- a plurality of cutting elements secured to the disc, the plurality of cutting elements spaced apart along the peripheral edge of the disc and positioned in a cutting plane spaced from the disc, each of the cutting elements including a base portion, a cutting portion including a cutting edge, and a longitudinal axis extending through the cutting edge, the cutting portion having a width that is larger than a width of the base portion, the cutting edge aligned in the cutting plane that is generally orthogonal relative to the axis of rotation.
Dependencies are inferred from the claim text.