Excavating – Rotary digger – Endless conveyor
Patent
1976-02-02
1977-01-18
Eickholt, E. H.
Excavating
Rotary digger
Endless conveyor
37 96, 37 97, E02F 324
Patent
active
040031489
ABSTRACT:
An excavating and loading system includes an excavating wheel assembly at the front thereof and a plurality of conveyors for conveying the material from the excavating wheel assembly upwardly and rearwardly. The excavating wheel assembly includes at least one excavating wheel which is positioned on the front of the vehicle with respect to the direction of travel to form an excavation. The wheel has side mounted cutting teeth which pivot outwardly to form an excavation wider than the following portion of the system. A supporting and housing apparatus rotatably supports the excavating wheel means from the vehicle and engages the wheel means on the ends thereof. Apparatus is provided for raising and lowering the excavation wheel assembly to raise and lower the excavation height and thereby vary the grade of the excavation. The excavation wheel is provided with means for positively moving the walls of a plurality of buckets between material receiving and material discharging positions.
REFERENCES:
patent: 853985 (1907-05-01), Linga
patent: 891000 (1908-06-01), Omwake
patent: 937994 (1909-10-01), Harding
patent: 1222754 (1917-04-01), Gerdeman
patent: 1764949 (1930-06-01), George
patent: 1912743 (1933-06-01), Vaughn
patent: R16997 (1928-06-01), Barber
Eickholt E. H.
Unit Rig & Equipment Co.
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