Floating soil fracture tool

Details Floating soil fracture tool Floating soil fracture tool

1979-10-22

1981-06-09

Eickholt, E. H.

Excavating

Railway graders

Side former

37141T, E02F 928

Patent

active

042716144

ABSTRACT:
A tool for fracturing soil to be excavated. A blade is pivotally attached to the scoop or bucket of an excavating machine. The axis of rotation of the blade is in advance of the leading edge of the blade relative to the direction of digging. The force of digging aligns the blade in the soil to be removed such that the line of force is directed along the axis of the blade. In another variation, teeth-like soil penetrating devices are added to the blade. The teeth may be individually pivoted relative to the blade in which case the blade is fixed in position. The axis of rotation of each tooth is ahead of the center of gravity of the tooth relative to the direction of digging. In another variation the pivotally mounted blade is locked in position to optimize the cutting force used to fracture the soil. The fracturing tool may also be used separately from the associated bucket or scoop. In this embodiment it is used as a rake or a device to break up clumps of soil or other frozen material.

REFERENCES:
patent: 1919075 (1933-07-01), Rasmussen
patent: 1919075 (1933-07-01), Rasmussen
patent: 3027027 (1962-03-01), Bles
patent: 3084817 (1963-04-01), Lovrenich
patent: 3896569 (1975-07-01), Thompson
patent: 4038766 (1977-08-01), Felstet

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