Dual capability nurse distribution system
US7021224B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2004 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Dec 10, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C21/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A nurse distribution system provides dual capabilities for planting different seed varieties from a single planting mechanism. The air cart carries two tanks in which different seed varieties can be placed. The nurse mechanism selectively distributes seed from one tank to the on-row singulation meters, yet can switch to the seed in the second tank to correspond to different soil conditions encountered by the planting mechanism. The planting mechanism carries a first line from the first tank to the nurse receiver and a parallel second line from the second tank to the same nurse receiver. By keeping the nurse receiver as small as possible, thus having a small seed reservoir, the seed variety selection can be switched from one tank to the other in an effective manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.