Multi-blade ditching machine

Details Multi-blade ditching machine Multi-blade ditching machine

1975-12-03

1977-10-18

Burr, Edgar S.

Excavating

Ditcher

Wheel excavator

37 54, 61 724, 172146, E02F 502

Patent

active

040539989

ABSTRACT:
A ditching machine for digging a ditch for submarine cable comprising at least a plurality pairs of blades disposed along the longitudinal direction of the ditching machine. At least the blades in a forward position have a ditching portion which ditches soil and a soil-pushing portion which pushes away the soil thus ditched substantially horizontally in a direction lateral to the moving direction of the ditching machine. Said soil-pushing portion is at the top of said ditching portion and has a wider horizontal width as seen from front of the ditching machine than that of said ditching portion when the ditching machine is in a normal operating posture.

REFERENCES:
patent: 843386 (1907-02-01), Benson
patent: 1287291 (1918-12-01), Gordon
patent: 2992537 (1961-07-01), Callahan
patent: 3339368 (1967-09-01), Ezoe et al.
patent: 3824798 (1974-07-01), Shiroyama
patent: 3898852 (1975-08-01), Ezoe

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