Device for use in removal of stumps

Details Device for use in removal of stumps Device for use in removal of stumps

1976-09-30

1977-09-20

Eickholt, E.H.

Excavating

Peat excavators

144 34A, A01B 1300

Patent

active

040487334

ABSTRACT:
At the end of a vehicle-carried crane arm a vertically extending frame is supported which at its lower end carries a movable split head with spreadable chopping blades. A ram raisable to the top of the frame drives, when released, by the impact on the split head the blades into the center of a tree stump that is to be extracted from the earth. Then the blades are spread to break the stump into separate portions which are easily individually removable in a direction substantially following the extension of the roots.

REFERENCES:
patent: 156101 (1874-10-01), Reyner
patent: 234357 (1880-11-01), Watson
patent: 1313709 (1919-08-01), McKoy
patent: 3989075 (1976-11-01), Coughran, Jr.

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