Apparatus for forming narrow drainage trenches

Details Apparatus for forming narrow drainage trenches Apparatus for forming narrow drainage trenches

1978-04-11

1980-04-08

Crowder, Clifford D.

Hydraulic and earth engineering

Miscellaneous

405 50, 37 95, 371425, E02F 508, E02F 512

Patent

active

041970365

ABSTRACT:
An excavator comprising an excavating wheel mounted on a chassis, means supporting the chassis on the ground such that a portion of the wheel projects below ground level, and drive means for rotating the wheel about its axis, the wheel being adapted to cut a longitudinal trench having a predetermined transverse profile when it is rotated about its axis and the chassis is advanced over the ground in a given direction.

REFERENCES:
patent: 275372 (1883-04-01), Fagan
patent: 2798314 (1957-07-01), Brite
patent: 3067533 (1962-12-01), Howard
patent: 3203188 (1965-08-01), Evans
patent: 3611730 (1971-10-01), Brettrager

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