Marker assembly having float feature
US7743842B1 · kind B1 · utility
1Cited by
64References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2009 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Jun 30, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B63/106
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A marker assembly for use with an agricultural implement includes a float linkage that allows limited vertical displacement of the marker assembly when the marker assembly is in a fully deployed position. This limited vertical displacement accommodates changes in surface terrain (contour) as well as in-field obstructions. The marker assembly is comprised of a series of interconnected linkages. The linkages are extended by an actuator, e.g., hydraulic cylinder and ram. The float linkage allows for vertical displacement of the extended linkages even when the actuator is in an extended position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.