Rotary trenching machine

Excavating – Ditcher – Wheel excavator

Patent

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Details

37142R, 37189, 37 91, 172 42, E02F 308

Patent

active

049398547

ABSTRACT:
A trenching machine that can be easily converted between push or pull type models by using same parts at the manufacturing stage, is disclosed. The machine includes a base frame having first and second surfaces, first and second ends, and sides. A motor engine and first ground engaging means are located at first end of the base frame, and second ground engaging means is located at second end thereof. A mechanism connects the motor with first ground engaging means for driving it. The second ground engaging means includes an offset portion which is positioned inside of the first ground engaging means. A digging device is cantilevered from first and second ends of the base frame, and has a portion positioned adjacent the offset portion of the second ground engaging means in front of the first ground engaging means. The base frame is open on one side and the digging device is disposed adjacent thereto. The base frame further includes a steering handle secured at the first end thereof.

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patent: 4396067 (1983-08-01), Enters et al.
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patent: 4678042 (1987-07-01), Barton et al.

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