Frozen topsoil plow
US6328114A · kind A · utility
11Cited by
8References
11Claims
0Family size
Inventors
Key dates
| Filing date | Mar 10, 2000 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Mar 10, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B15/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A plowing implement particularly adapted for breaking up frozen topsoil to a desired and controllable depth includes a backer plate and scraping blade which are both at a swept-back angle to the direction of travel. The scraping blade is preferably made up of a plurality of chisel plates which are spaced apart in a staggered fashion. The implement includes depth control means comprising a depth control shoe that is vertically adjustable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.