Volumetric metering system with clutch based sectional shut-off
US8196534B2 · kind B2 · utility
61Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2009 |
| Grant date | Jun 12, 2012 |
| Priority date | — |
| Expiry date | Feb 21, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/088
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A volumetric meter for seed or fertilizer having a plurality of roller segments driven by a common drive shaft is provided with clutch mechanisms radially between each roller segment and the drive shaft to enable the roller segments to be individually shut-off to provide section or swath control to the machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.