Down stop for agricultural closing discs
US9992926B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2017 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jun 6, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/208
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A planter includes a chassis and a row unit carried by the chassis. The row unit includes a unit body carried by the chassis; a metering device carried by the unit body; at least one furrowing disc carried by the unit body; at least one pressing wheel carried by the unit body behind the furrowing disc(s); a travel arm carried by and pivotally movable relative to the unit body that defines a travel path; at least one closing disc positioned behind the furrowing disc(s) and in front of the pressing wheel(s) and pivotally movable along the travel path by the travel arm; and a stop having a stop portion placed in the travel path that limits a vertical travel of the closing disc(s) and at least one adjustment feature formed thereon that allows the stop portion to be held in at least two different locations in the travel path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.