Excavating – Rotary digger – Endless conveyor
Patent
1979-10-01
1981-03-31
Eickholt, E. H.
Excavating
Rotary digger
Endless conveyor
180 62, 198307, E02F 324
Patent
active
042584868
ABSTRACT:
The scooper-excavator is self-propelling and comprises a chassis having a roughly U-shape in its horizontal plane. A bucket-wheel is mounted to be rotatable about a horizontal axis which is fixed relative to the chassis and is engaged at least partly between the branches of the chassis. Discharge means are mounted on the chassis to discharge the product scooped by the bucket-wheel. The scooper-excavator is supported on the ground by three support means which define in the aforementioned horizontal plane three bearing points located at the corners of an isosceles triangle. Those of the support means corresponding to the corners at the base of the isosceles triangle are, in the course of the work of the scooper-excavator, permanently driving means and orientable about respective vertical axes. These driving and orientable means are located on each side of the chassis and respectively associated with the branches of the chassis. Means are provided for orienting the respective driving support means and comprise, on one hand, an actuating device connected to the driving support means by mechanical connections, and, on the other hand, a control device which is accessible to the operator and connected to the actuating device for achieving a permanent regulation of the orientation of the driving support means. The angle of orientation of one of the driving means is always equal to and of opposite direction to the angle of orientation of the other driving means.
REFERENCES:
patent: 3423859 (1969-01-01), Swisher, Jr. et al.
patent: 3500563 (1970-03-01), Smith
patent: 3500987 (1970-03-01), Smith
patent: 3746150 (1973-07-01), Briggs
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