Agricultural seeding system
US7631607B2 · kind B2 · utility
22Cited by
8References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2007 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Jan 16, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S111/926
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An agricultural seeding machine including at least one tool bar and a plurality of row units attached to the tool bar. Each row unit including a frame, a plurality of ground engaging wheels including a first ground engaging wheel, at least one suspension structure and a torsional biasing device. The at least one suspension structure including a first suspension structure having a first end and a second end. The first end rotatably coupled to the first ground engaging wheel. The torsional biasing device coupled to the second end of the first suspension structure. The biasing device being carried by the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.