Stone trap assembly for a combine

Details Stone trap assembly for a combine Stone trap assembly for a combine

1991-09-23

1993-02-16

Suchfield, George A.

Crop threshing or separating

With stone trap

A01F 1210, A01F 1216

Patent

active

051866838

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.

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patent: 4440179 (1984-04-01), Bassett et al.
patent: 4657029 (1987-04-01), Helm

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