Land leveling device

Details Land leveling device Land leveling device

1984-01-17

1985-07-02

Johnson, Richard J.

Earth working

Scraper between widely spaced front and rear ground supports

172421, 172 45, 172417, E02F 362

Patent

active

045262381

ABSTRACT:
A land leveling device having a frame supported on wheels for earth traversing movement forwardly thereof; a first pair of blades borne by the frame in rearwardly convergent oblique relation to each other; a second pair of blades borne by the frame rearwardly of the first pair in rearwardly divergent oblique relation to each other; and means for deploying the frame in a substantially horizontal attitude substantially continuously during said earth traversing movement.

REFERENCES:
patent: 1247135 (1917-11-01), Monroe
patent: 2725799 (1955-12-01), Day
patent: 3172218 (1965-03-01), Constantin
patent: 3684031 (1972-08-01), Reynolds
patent: 3704754 (1972-12-01), Layton
patent: 4057111 (1977-11-01), vander Lely

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