Dual tillage implement
US5020604A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 26, 1990 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Jan 26, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B49/027
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A combination tillage and incorporating implement having widely spaced sweeps in several rows at the forward portion of the main frame with tow trailing rows of angled spider wheels supported in pairs, for ground contour following ability and ease and flexibility of manufacture, by rockable arms extending rearwardly from the frame. Spray nozzles or the like, positioned rearwardly of the sweeps and forwardly of the spider wheels, apply material to the soil loosened and leveled by the sweeps to eliminate banding and uneven application otherwise causded by sweeps parting the soil or by material being deposited on rough ground surfaces. The rotational axes of the wheels of each row are parallel and angled with respect to the transverse direction with the rear row of wheels being angled in the opposite direction to that of the leading row to provide aggressive mixing and smooth uninterrupted soil flow across the width of the implement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.