Agricultural toolbar apparatus, systems and methods
US9961822B2 · kind B2 · utility
5Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2016 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Apr 25, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/203
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Systems, methods and apparatus for shifting weight between a tractor and toolbar and between sections of the toolbar, for controlling operative height of a toolbar and sections of a toolbar and for folding a toolbar between a work position and a transport position. A ground engaging wheel and an actuator are coupled to the toolbar. In one embodiment, a fluid control system is responsive to a command signal to modify the actuator pressure such that the actuator pressure corresponds to a desired pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.