Trencher with plural digging wheels having adjustable inclinatio

Details Trencher with plural digging wheels having adjustable inclinatio Trencher with plural digging wheels having adjustable inclinatio

1984-02-28

1985-08-20

Crowder, Clifford D.

Excavating

Ditcher

Wheel excavator

37DIG16, E02F 508

Patent

active

045355550

ABSTRACT:
The machine includes a frame on which is suspended on a shaft a support for two inclined cutters. The support includes slots of different inclination in which are mounted guide rollers connected to housings in which inclined cutters are rotatively mounted. A jack shifts the housings and consequently adjusts the inclination of the cutters. An additional cutter is located in front of the inclined cutters and is adapted to effect a rough cutting of the trench. A smoothing shoe is openable to a variable extent with the inclination of the cutters.

REFERENCES:
patent: 929732 (1909-08-01), Van Buren et al.
patent: 3126653 (1964-03-01), Bourgeous
patent: 3208168 (1965-09-01), Henschen
patent: 3548570 (1970-12-01), Knott et al.
patent: 3681863 (1972-08-01), Solntser et al.
patent: 4161072 (1979-07-01), Pronorost

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