Fertilizer closing tandem
US10368476B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2016 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Aug 5, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C23/008
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An agricultural vehicle includes a chassis; a storage tank carried by the chassis; and a row unit carried by the chassis. The row unit includes: a row body; an opening blade carried by the row body and configured to open a trench as the row body is carried in a direction of travel; and a closing tandem carried by the row body behind the opening blade that is pivotally movable relative to the row body. The closing tandem includes a closing disc and a press wheel carried behind the closing disc, the closing disc and the press wheel being configured to rotate as the row body is carried in the direction of travel, the closing disc defining a projection path as it rotates, and the press wheel having a treaded surface in the projection path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.