Down stop for agricultural closing discs
US9668401B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2015 |
| Grant date | Jun 6, 2017 |
| Priority date | — |
| Expiry date | Sep 3, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B73/065
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A planting apparatus 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 in a direction of travel; 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 at least one furrowing disc and in front of the at least one pressing wheel in the direction of travel and pivotally movable along the travel path by the travel arm; and a stop placed in the travel path of the travel arm that is configured to limit a vertical travel of the at least one closing disc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.