Earth working – Convertible; or changeable by disassembly or assembly – Changeable by disassembly or assembly
Patent
1981-06-01
1984-02-07
Johnson, Richard J.
Earth working
Convertible; or changeable by disassembly or assembly
Changeable by disassembly or assembly
172157, 172182, 172705, A01B 2500, A01B 3518
Patent
active
044297505
ABSTRACT:
A ridge leveler adapted for use with a plow having a forward row of discs and a rearward row of discs comprising: a ridge blade assembly connected to the forward row of discs and positioned generally near the outermost disc of the forward row of discs for substantially leveling the outermost ridge of earth resulting from the outermost disc of the forward row of discs plowingly engaging the earth to reduce the volume of earth plowingly engaged by the outermost disc on the rearward row of discs.
REFERENCES:
patent: 623677 (1899-04-01), Kouns
patent: 2252593 (1941-08-01), Bruene
patent: 2338374 (1944-01-01), Baldwin
patent: 2722878 (1955-11-01), Neel
patent: 2963095 (1960-12-01), Oehler
patent: 3306368 (1967-02-01), Rosenvold
patent: 3880242 (1975-04-01), Rogers
patent: 4211284 (1980-07-01), Collado
patent: 4279311 (1981-07-01), Dietrich
patent: 4280563 (1981-07-01), Crow
Noble Family of Mulchers-Advertizing brochure of Noble Mfg. Co., Sac. City, Iowa, 9-72.
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