Forage chopping cylinder
US4301647A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1979 |
| Grant date | Nov 24, 1981 |
| Priority date | — |
| Expiry date | Nov 5, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F29/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The chopping cylinder has knives that extend longitudinally of the axis of rotation of the cylinder and which are twisted in such a way that their longitudinal cutting edges wind generally helically around the periphery of the cylinder so that a scissor-like shearing cut is obtained as the knives move past a cooperating shearbar. Special crop flow directors are bolted to the inner faces of the knives between supporting spiders for the knives so as to intercept the crop flow headed toward the interior of the cylinder following severance and to maintain the same adjacent the outer periphery of the cylinder during the movement of the crop material around and with the cylinder to a point of discharge. Special mounting hardware permits the individual directors to be attached directly to the knives in a manner to increase the efficiency and performance of the cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.