Chopping blade for a straw chopper
US10874050B2 · kind B2 · utility
7Cited by
49References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2018 |
| Grant date | Dec 29, 2020 |
| Priority date | — |
| Expiry date | Aug 29, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F29/095
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A chopping blade for a straw chopper comprises a fastening opening, two side faces, and cutting edges arranged on one or both ends of the side faces. At least one of the side faces is equipped with means for reducing the frictional resistance of the chopping blade relative to the air and/or the chopping material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.