Seed flap for seed meter
US8733258B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2012 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Nov 2, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/0443
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A metering device having an obstruction within its metering chamber to prevent inputs such as seeds from passing from a seed sump to other areas within the metering chamber and causing to the metering device to become overfilled with seeds when the metering device is raised out of the planting position. In one embodiment, the obstruction includes one or more hingedly connected flaps that move due to the changing orientation of the metering device. In one or more positions of the metering device, the obstruction is positioned to prevent the seeds from leaving the seed sump. The seeds are prevented from leaving the seed sump without having to manually shut a gate on each metering devices of a planter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.