Straw chopper
US6070816A · kind A · utility
9Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1998 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Nov 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S241/605
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A straw chopper arrangement for an agricultural combine wherein the chopper is provided two vertically arranged rotors. The rotors are provided with a number of circumferentially spaced radially extending impeller blades. The outer ends of the impeller blades are provided with pivotally mounted flails. The flails are vertically spaced from one another. The straw chopper arrangement is also provided with a chopper housing for receiving the rotors. The housing having at least two walls that are provided with inwardly extending shear bars which are located in the vertical space defined by vertically adjacent flails.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.