Excavating – Peat excavators
Patent
1987-08-17
1989-04-11
Eickholt, Eugene H.
Excavating
Peat excavators
37255, 198657, E02F 504
Patent
active
048193488
ABSTRACT:
The present invention relates to a ditch forming machine and is specifically concerned with providing such a machine for forming the oppositely sloping sides of a ditch in a single pass. Prior art machines could only form one side of the ditch at a time with the machine then having to be turned 180 degrees to form the opposite side thereof. The present invention overcomes these deficiency by providing a ditch forming machine which provides a pair of offset screw-auger assemblies with earth severed by the leading auger assembly being directed to the trailing auger for discharge of all severed material from the ditch during a single pass. The auger assemblies are conveniently angularly adjustable relative to each other for forming any desired angularity of the opposite sides of the ditch while conveying material discharged from the ditch a substantial distance laterally outwardly from the prime mover vehicle which is adapted to always be position on the flat ground along side the ditch being formed.
REFERENCES:
patent: 1301833 (1919-04-01), Geveke
patent: 3098208 (1962-06-01), Oglesby et al.
patent: 3328902 (1967-07-01), Hanson
patent: 4117689 (1978-10-01), Martin
patent: 4459767 (1984-07-01), Lartner
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