Scarifying rake drag
US7478682B1 · kind B1 · utility
13Cited by
24References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2004 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Nov 17, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B49/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A soil working implement for being dragged behind a towing vehicle. The implement includes a hitch part and a soil working part. The soil working part may be pivoted about the hitch part by extending or retracting a longitudinal linkage member interposed between the hitch part and the soil working part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.