Support assembly for a grading machine
US11447927B2 · kind B2 · utility
0Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2019 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Aug 21, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.