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US 11,447,927 B2Granted
Support assembly for a grading machine
AssigneeCaterpillar Inc.
InventorsNathaniel K. Harshman, Davida R. Reang, Benjamin J. Kovalick
Life of this patent
Estimating the term…
Abstract
A grading machine includes a machine body, a blade assembly, a circle supporting the blade assembly and including a plurality of teeth, a drawbar assembly connecting the circle to the machine body, and a cover plate coupled to a bottom portion of the drawbar assembly. The drawbar assembly includes a plurality of blocks, and the cover plate is configured to be coupled to the drawbar assembly via the plurality of blocks.
Claims20
A grading machine, comprising:
- a machine body;
- a blade assembly;
- a circle supporting the blade assembly, wherein the circle includes a plurality of teeth;
- a drawbar assembly connecting the circle to the machine body;
- and
- a cover plate coupled to a bottom portion of the drawbar assembly,
- wherein the drawbar assembly includes a plurality of blocks, wherein the cover plate is configured to be coupled to the drawbar assembly via the plurality of blocks, and wherein the cover plate covers a circumferential gap between a portion of the drawbar assembly and the circle.
4 more elements
A grading assembly, comprising:
- a drawbar assembly, wherein the drawbar assembly includes a plurality of blocks on an inward face of the drawbar assembly;
- a circle having a plurality of circle teeth on an inward face of the circle;
- a blade assembly coupled to the circle;
- and
- a cover plate, wherein the cover plate is coupled to the drawbar assembly via the plurality of blocks, and wherein the cover plate covers a circumferential gap between the circle and the drawbar assembly.
2 more elements
A drawbar assembly, comprising:
- a drawbar;
- a yoke plate;
- a circular extension portion extending downward from the drawbar;
- a plurality of blocks on an inward face of the circular extension portion;
- and
- a circular cover plate, wherein the circular cover plate includes a plurality of inner extensions with through-holes to couple the circular cover plate to the blocks,
- wherein the circular cover plate covers a circumferential gap between the circular extension portion and a circle coupled to the drawbar assembly.
4 more elements
Dependencies are inferred from the claim text.