Tool which uses soil as wearing edge
US4911249A · kind A · utility
6Cited by
20References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1987 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Sep 30, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/285
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A soil-working tine has a recess extending along its wearing edge. The recess captures some soil as the tine passes through the soil. The soil captured in the recess acts as a wearing edge, reducing wear on the material of the tine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.