Scoop wheel having oscillating impact cutters
AssigneeMannesmann Aktiengesellschaft
InventorsRudolf Fauerbach, Karl-Erich Partz
Life of this patent
Estimating the term…
Abstract
A rotary wheel excavator having scoops with impact cutters only at the two front corners of the cutting edge of each scoop. Structure is provided for vibrating each impact cutter during a predetermined portion of the rotation of the wheel. The left and right hand impact cutters on each scoop are independently controlled, depending on the direction of swing of the excavator boom. The operation of the impact cutters is preferably under the control of a hydraulic system.
Claims15
A scoop wheel of a power shovel having a plurality of scoops arranged along the periphery of the wheel, each scoop having a front cutting edge, said wheel being mounted on a horizontally and vertically moveable boom, the improvement comprising,
- impact cutter blades arranged in two front corners only of the cutting edge on each scoop;
- and
- means for imparting an oscillation upon the cutter blades, the oscillation to occur also in the direction of cutting.
Dependencies are inferred from the claim text.