Agricultural implement for separating and crushing rocks
US5477926A · kind A · utility
2Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1992 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Aug 13, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B43/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An agricultural implement which may be pulled by a tractor in an agricultural field for improving soil conditions, provided with the capability to sort rocks according to their sizes whereby rocks of only desired dimension range are crushed, this implement consisting of a frame carried by two wheels, a drawbar assembly for attaching the frame to a tractor, a rock-transporting tilted belt conveyor assembly provided with a ploughshares means, a pair of corrugated crush rollers, a bin for collecting stones of large dimensions, and a hydraulic power system driven by a drive shaft connected to the power take-off of a tractor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.