Straw chopper and spreader attachment for a combine harvester
US4218022A · kind A · utility
17Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1979 |
| Grant date | Aug 19, 1980 |
| Priority date | — |
| Expiry date | Mar 28, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F12/40
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A straw chopping and spreading device consisting of a rotary chopper, mounted in a housing assembly and a spreader assembly 16 through which chopped straw passes out of the housing assembly. The spreader assembly consists of a pair of converging plates which form a converging nozzle, a series of adjustable spreader plates for controlling the width of spread and an adjustable deflector for adjusting the angle at which chopped straw is deflected toward the ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.