Tillage machine and tillage disk for the same
US10842063B2 · kind B2 · utility
0Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Feb 7, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B21/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A disk for use with a tillage machine includes a body portion rotatable about an axis of rotation. The body portion has a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation. A hub portion is continuous with the body portion and presents an abutment face having a concavity with a second radius defined from a point on the axis of rotation. An aperture extends through the abutment face and is centered about the axis of rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.