Circle drive system for a grading machine
US11230820B2 · kind B2 · utility
2Cited by
16References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2019 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/844
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A grading machine includes a machine body, a grading blade supported by a circle, a drawbar connecting the grading blade and the circle to the machine body, and a circle drive system. The circle drive system includes a circle drive motor and a gear box. The gear box is configured to engage with and rotate the circle relative to the drawbar around a circle axis. The circle drive motor includes an axis of rotation that is perpendicular to the circle axis, and the gear box includes an axis of rotation that is parallel to the circle axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.