Rotary trench digging machine

Details Rotary trench digging machine Rotary trench digging machine

1979-12-28

1981-08-11

Crowder, Clifford D.

Excavating

Ditcher

Wheel excavator

37 80A, 37DIG16, E02F 508

Patent

active

042826624

ABSTRACT:
A trench-digging machine which may normally be moved in a forward direction, includes a frame, a rotatable soil-moving disc mounted on the frame for digging a trench in the soil, thereby throwing up earth, a transmission-gear mounted on the frame, coupled to the rotatable soil-moving disc, and adapted to be powered by an external drive mechanism, a control device mounted on the underside of the frame to regularize the depth of the trench cut by the soil-moving device, a soil-deflector plate mounted on the frame for deflecting earth operatively thrown up by the soil-moving disc, and rotatable and vertically movable trench side-surface processing discs mounted on the frame downstream of the soil-moving disc as defined by the forward direction of movement.

REFERENCES:
patent: 121846 (1871-12-01), Bussell
patent: 244400 (1881-07-01), Plumb
patent: 275372 (1883-04-01), Fagan
patent: 1538565 (1925-05-01), Loken
patent: 2403367 (1946-07-01), Howard
patent: 2602410 (1952-07-01), Vaughn
patent: 3654713 (1972-04-01), Craddick et al.
patent: 3936961 (1976-02-01), Gahler
patent: 3986280 (1976-10-01), Johnson

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