Excavating – Ditcher – Having endless digger
Patent
1994-05-19
1996-03-12
Nicholson, Eric K.
Excavating
Ditcher
Having endless digger
299 76, E02F 500
Patent
active
054975670
ABSTRACT:
An improved excavating machine for digging an unusually wide ditch having a boom that supports a plurality of chain type digging apparatus. There is a head shaft at one end of the boom and a tail shaft at the opposed end of the boom. An intermediate shaft is supported on the boom at a location between the tail and head shaft. Spaced endless digging chains are meshed with sprockets on the head shaft and selected ones of the tailwheel shaft sprockets to provide an upper run and a lower run of endless digging chain which forms an endless central digging and conveying member by which excavated material is translocated from the ground to a lateral conveyor on the machine. Spaced endless intermediate digging chains are meshed with the outermost of sprockets on the tail and intermediate shafts to form opposed, endless, outer digging and conveying members. The marginal far end of the boom is bifurcated to provide a longitudinally extending slot through which the intermediate drive chain for rotating the intermediate shaft extends. The intermediate shaft extends laterally through the boom and between the upper and lower runs of the central digging and conveying members, and increases the width of the ditch an amount equal to the combined width of the central and the opposed endless outer digging and conveying members.
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Bates Marcus L.
Nicholson Eric K.
Pezzuto Robert
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