Tillage machine and tillage disk for the same
AssigneeDeere & Company
InventorsLuc Janelle, David L. Steinlage, Jacob W. Cross, Greg T. Buse, Rohit Bartakke
Life of this patent
Estimating the term…
Abstract
A disk for use with a tillage machine includes a body portion rotatable about an axis of rotation. The body portion has a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation. A hub portion is continuous with the body portion and presents an abutment face having a concavity with a second radius defined from a point on the axis of rotation. An aperture extends through the abutment face and is centered about the axis of rotation.
Claims19
A disk for use with an arm assembly coupled to and supported by a support element of a tillage machine, the disk comprising:
- a body portion rotatable about an axis of rotation, the body portion having a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation;
- a hub portion axially offset from a contour of the body portion, the hub portion including a wall continuous with the body portion, an abutment face continuous with the wall, and a recess defined by the wall and the abutment face, the abutment face having a concavity with a second radius defined from a point on the axis of rotation, the second radius being different than the first radius;
- and
- an aperture extending through the abutment face and centered about the axis of rotation,
- wherein the abutment face is configured to be complementary in contour and in shape to a mating surface of the arm assembly, and
- wherein the first radius is constant about the axis of rotation.
A disk for use with an arm assembly coupled to and supported by a support element of a tillage machine, the disk comprising:
- a body portion rotatable about an axis of rotation, the body portion having a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation;
- a hub portion axially offset from a contour of the body portion, the hub portion including a wall continuous with the body portion, an abutment face continuous with the wall, and a recess defined by the wall and the abutment face, the abutment face having a concavity with a second radius defined from a point on the axis of rotation, the second radius being different than the first radius;
- and
- an aperture extending through the abutment face and centered about the axis of rotation,
- wherein the abutment face is configured to be complementary in contour and in shape to a mating surface of the arm assembly,
- wherein the first radius is constant from the hub portion to the circumferential edge.
A disk assembly for use with a tillage machine having a main frame, the disk assembly comprising:
- a support element configured to be coupled to the main frame;
- an arm assembly extending from the support element;
- a disk coupled to and supported by the arm assembly, the disk including
- a body portion rotatable about an axis of rotation, the body portion having a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation, the first radius being constant about the axis of rotation,
- a hub portion axially offset from a contour of the body portion, the hub portion including a wall continuous with the body portion, an abutment face continuous with the wall, and a recess defined by the wall and the abutment face, the abutment face having a concavity with a second radius defined from a point on the axis of rotation, the abutment face being complementary to a mating surface of the arm assembly, and
- an aperture extending through the hub portion and centered about the axis of rotation.
A disk assembly for use with a tillage machine having a main frame, the disk assembly comprising:
- a support element configured to be coupled to the main frame;
- an arm assembly extending from the support element;
- a disk coupled to and supported by the arm assembly, the disk including
- a body portion rotatable about an axis of rotation, the body portion having a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation,
- a hub portion axially offset from a contour of the body portion, the hub portion including a wall continuous with the body portion, an abutment face continuous with the wall, and a recess defined by the wall and the abutment face, the abutment face having a concavity with a second radius defined from a point on the axis of rotation, the abutment face being complementary to a mating surface of the arm assembly, and
- an aperture extending through the hub portion and centered about the axis of rotation,
- wherein the first radius is constant from the hub portion to the circumferential edge.
Dependencies are inferred from the claim text.