Scoop wheel having oscillating impact cutters
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United States of America Patent
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-
May 12, 1987
Grant Date -
N/A
app pub date -
Jul 22, 1985
filing date -
Jul 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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