Earth working – Diverse tools – Rolling and non-rolling
Patent
1976-06-01
1977-09-13
Johnson, Richard J.
Earth working
Diverse tools
Rolling and non-rolling
172180, 172200, A02B 1302, A02B 3502, F02F 508
Patent
active
040475743
ABSTRACT:
An implement to remove levees and the like from the earth's surface includes a frame means with longitudinal and lateral members connected to form a frame having sides, a front and a rear end. A pair of ganged disc harrows is supported on the frame and depends therefrom. Each of said pair of said ganged disc harrows extends inwardly from a side of the frame and towards the rear end of the frame to form a generally V-shape with the apex of the V-shape being disposed adjacent the center longitudinal axis of the frame. Dozer blade means comprised of a pair of dozer blades. Each of the dozer blades extend from a side of the frame and inwardly towards the front end of the frame to form a generally V-shape with the apex of the V formed by the dozer blades being disposed adjacent but rearwardly of the apex of the V formed by the ganged disc harrows. The dozer blades cooperate with the ganged disc harrows to level the earth as the implement is moved thereover. Adjustable wheel means support the frame means and means are mounted on the frame means to adjust the wheels to a desired elevation and to maintain such wheels in such desired elevation to thereby regulate the distance between the earth and the frame and to thus regulate the depth of cut as the implement moves over the terrain.
REFERENCES:
patent: 512276 (1894-01-01), Clark
patent: 807233 (1905-12-01), Atkinson
patent: 2611196 (1952-09-01), Barrett
patent: 2787105 (1957-04-01), Witwer
Hayden Jack W.
Johnson Richard J.
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