Double roll rock windrower

Details Double roll rock windrower Double roll rock windrower

1980-05-05

1982-02-16

Hafer, Robert A.

Unearthing plants or buried objects

Stone gathering and/or unearthing by impelling above-ground...

Impeller inclined to line of draft

A01G 4300

Patent

active

043155464

ABSTRACT:
A rock windrower which has a main roller that is moved along the ground and is rotationally driven under power. The roller is at an oblique angle with respect to the direction of travel, so that the rocks that are dislodged are moved axially along the roller and laterally to the direction of movement until they are discharged at the trailing end of the roll to be left in a windrow. The present device further includes an auxiliary roller mounted above the main roller to prevent rocks from spilling over the main roller, thus making it possible to form larger windrows, while permitting dirt clods and some foreign material to pass between the rollers. The auxiliary or second roller is mounted on arms that are pivotally mounted relative to the mounting for the main roller to permit the second roller to move if necessary.

REFERENCES:
patent: 2938586 (1960-05-01), Gaffney
patent: 3117631 (1964-01-01), Fahrenholz
patent: 3739855 (1973-06-01), Bliss
patent: 3993141 (1976-11-01), Donohue

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