Excavating – Ditcher – Having screw digger
Patent
1991-06-28
1993-04-06
Reese, Randolph A.
Excavating
Ditcher
Having screw digger
37 94, 37 91, 37189, 37364, E02F 504, E02F 324
Patent
active
051991950
ABSTRACT:
An excavating device for scraping away the high shoulder material on the road sides. The device includes a rotating drum on which are permanently attached tooth-supports arranged in a helix. On the supports are fastened spikes and teeth, different types for different terrain. Scraped earthen material can be dispersed or windrowed and by arranging the supports on opposite helixes or by reversing rotation, the material can be dispersed or windrowed right or left of the rotating drum. A frame is employed to support the rotating drum, and the drum can be articulated to various working positions by hydraulic cylinders. A retractable hood is located above the rotor and movable deflectors are provided for material flow control. Tracer wheels facilitate control of the desirable digging depth.
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Scordilis Andreas
Scordilis Frank P.
McBee J. Russell
Reese Randolph A.
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