Earth working – With drive means for tool or cleaner – With non-driven tool
Patent
1978-08-22
1980-10-14
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
With non-driven tool
172 90, A01B 1316
Patent
active
042275792
ABSTRACT:
The device consists of two longitudinally extending side frame members connected at one end to a diking plate and at the other end to a transverse frame member which in turn is connected to a hitch which allows the frame and diking plate pivotal movement in both a vertical and a horizontal plane. Connected medially of each side frame member is a pillow block bearing which bearings support, on a single axis, a pair of spoked wheels. Each of the spoked wheels has one spoke of greater length than the remaining spokes which longer spokes extend outward in a common radial plane. As the spoked wheels turn, the diking plate is lifted periodically from the ground to provide a damming action in a furrow in the earth.
REFERENCES:
patent: 1892002 (1932-12-01), Peacock
patent: 2021343 (1935-11-01), Wetzel
patent: 2107967 (1938-02-01), Taylor
patent: 2193065 (1940-03-01), Erickson
patent: 2362728 (1944-11-01), Smith
patent: 2494820 (1950-01-01), Lion
patent: 2837989 (1958-06-01), Gann
patent: 2852995 (1958-09-01), Domries
patent: 4002206 (1977-01-01), Eisenhardt
patent: 4009759 (1977-03-01), Ernst
Isom Ken
Isom Larry
Isom Rex
Jacobson Harvey B.
O#Brien Clarence A.
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