Ditch digging machine

Excavating – Ditcher – Wheel excavator

Patent

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Details

37189, 563201, 172 43, 172112, E02F 508

Patent

active

045036306

ABSTRACT:
A ditch digging machine comprising a frame including a pair of vertical posts and a cross bar connecting the upper ends of said vertical posts, wheels supporting the lower ends of the vertical posts, a housing including a convex hood having forward and rear end plates extending downwardly from opposite ends thereof, the forward and rear end plates each having a sleeve attached thereto to engage the vertical posts, a vertical side shield extending between the opposite end plates, a motor support platform extending outwardly from the vertical side shield, an adjustable vertical lift means for raising and lowering the housing relative to the frame, a motor mounted on the motor support platform having a shaft extending through the vertical side shield, and a cutting blade assembly rotatably mounted on the shaft substantially parallel to the vertical side shield within the convex hood and the end walls; the cutting blade assembly configured to be lowered with the housing for ground engagement to cut a slit trench therein, and a flexible safety guard extending outwardly from the convex hook opposite the vertical side to prevent debris thrown by the cutting action of the cutting blade assembly from being thrown from the ditch digging machine.

REFERENCES:
patent: 1282786 (1918-10-01), Entz
patent: 1313242 (1919-08-01), Ashley
patent: 1538565 (1925-05-01), Loken
patent: 1858360 (1932-05-01), Cruse
patent: 2020524 (1935-11-01), Smithburn
patent: 2051443 (1936-08-01), Gravely
patent: 2054129 (1936-09-01), Kelsey
patent: 2679703 (1954-06-01), Borel
patent: 2691926 (1954-10-01), Jackson
patent: 2907163 (1959-10-01), Mollohan
patent: 2979837 (1961-04-01), Hunter
patent: 3041750 (1962-07-01), Garnand
patent: 3342532 (1967-09-01), Krekeler
patent: 3570225 (1971-03-01), Miskiewicz
patent: 4271879 (1981-06-01), Shivers, Jr. et al.

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