Packer wheel assembly
US4579071A · kind A · utility
23Cited by
15References
18Claims
0Family size
Inventor
Key dates
| Filing date | Apr 18, 1984 |
| Grant date | Apr 1, 1986 |
| Priority date | — |
| Expiry date | Apr 18, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C5/068
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Packer wheel assemblies attached to earthworking tools of a field cultivator compact soil about seeds dispensed into the soil with an air planter. Each packer wheel assembly has a body adjustably mounted on the shank of each tool and an arm pivotally connected to the body. Ground engaging wheels are rotatably mounted on the arm. A coil spring connected to the arm biases the wheels downwardly into engagement with the soil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.