Excavating – Rotary digger – Endless conveyor
Patent
1975-07-17
1976-09-28
Eickholt, E.H.
Excavating
Rotary digger
Endless conveyor
299 73, E02F 324
Patent
active
039823415
ABSTRACT:
An excavating and loading system including an excavating wheel assembly at the front thereof and a plurality of conveyors for conveying material from the excavating wheel assembly to the rear of the vehicle. The excavating wheel assembly has an excavating wheel which is narrower than the overall width of the following portion of the system. A yoke engages the ends of the excavating wheel and supports the wheel in a horizontal position. The yoke is pivotally attached to the vehicle and hydraulic cylinders are provided to oscillate the excavating wheel assembly from side-to-side transverse to the direction of movement of the vehicle to form a trench wider than the excavating wheel assembly itself. Means are provided on the vehicle for raising and lowering the excavating height and can be provided to adjust the roll attitude of the excavation wheel assembly. The excavation wheel is provided with means for positively moving walls of a plurality of buckets between digging and dumping positions.
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patent: 3500565 (1970-03-01), Smith
patent: 3612610 (1971-10-01), Arentzen
Eickholt E.H.
Unit Rig and Equipment Co.
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