Wear resistant seed tube for an agricultural planter
US7584707B2 · kind B2 · utility
71Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2006 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Aug 17, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/206
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A seed tube for an agricultural planter having a rearwardly curving forward wall, a rearwardly curving rearward wall and opposing sidewalls defining a seed passageway which curves rearwardly from an upper ingress end toward a lower egress end. Wear resistant material is disposed proximate the egress end which provides a point of first contact with the opener disks thereby preventing appreciable wear of the egress end of the seed tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.