Blade plow with vertically reciprocating blades
US5669452A · kind A · utility
12Cited by
20References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1996 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Aug 6, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B35/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A blade plow preferably formed by three frame sections hingedly coupled together includes a ground or terrain contour following mechanism within each frame section. The contour mechanism allows the middle blade to be raised and lowered to maintain the entire central blade horizontal relative to the plow frame and at a constant depth within the ground. Additional "fixed" blades are hydraulically setable for depth of cut. The terrain contour following mechanism allows for larger frame widths without the usual tendency of smaller width frames to buckle due to ground unevenness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.