Stone trap assembly for a combine
US5186683A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1991 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | Sep 23, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F12/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A stone trap assembly for inhibiting stones, rocks, and the like from passing into a combine threshing area from a feeder mechanism adapted to advance crop material through a housing. The stone trap assembly includes a stone receiving trough and a rotatable beater mechanism arranged in combination relative to each other. The stone trough and beater mechanism conjunctively extend laterally across the width of the feeder mechanism. The feeder mechanism includes a series of spiral flight sections, with each flight section having a helix configuration between opposite ends thereof to enhance performance of the feeder mechanism by lessening cyclic contact of the beater mechanism with the crop material passing therethrough and providing a generally uniform flow of crop material to the threshing area of the combine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.