Method and apparatus for automatically maintaining seed trench depth during seed planting operations
US6827029B1 · kind B1 · utility
101Cited by
4References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 4, 2003 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Nov 4, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/205
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A planting unit is provided having a seed trench opener that forms a seed trench in a ground surface as the planting unit travels along the ground. A depth regulating member is provided that has a predetermined vertical position relative to the opener. The depth regulating member is operable to ride along the ground and thus predetermined the seed trench depth. A down pressure assembly is provided that maintains the depth regulating member in proper engagement with the ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.