Bellcrank activated wheel caster
US9681598B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2015 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Sep 3, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/208
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An agricultural planter has at least one wing section that can rotate forward to a transport configuration and can also rotate outward to a working configuration. The at least one wing section has a caster assembly attached to a strut pivotable between a raised position forward of the at least one wing section and a lowered position beneath the at least one wing section. At least one wing section lift cylinder is located above and horizontally rearward of the at least one wing section, and is connected to the at least one wing section using a rearward extending wing section lift cylinder mounting bracket. The at least one wing section lift cylinder is connected to at least one bell crank, which is connected to at least one drop link, which is connected to the strut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.