Self-propelled soil working machines
US9332687B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 10, 2013 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Dec 25, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B63/32
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Unique self-propelled soil working machines are disclosed. In certain exemplary embodiments the self propelled soil working machine includes a tool carrier which is actively adjustable to provide variable downward force on a soil working tool via a suspension element which is further passively responsive to accommodate motion of the tool in response to external force. In certain exemplary embodiments, the tool carrier is configured to adjust the working depth and pitch of the tool. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and figures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.