Shovel with soil directing structure

Details Shovel with soil directing structure Shovel with soil directing structure

1979-05-29

1981-06-30

Stouffer, Richard T.

Earth working

Tool, standard or connection

Reversible part

172771, A01B 1502

Patent

active

042757924

ABSTRACT:
A twisted shovel, for a chisel plow or similar implement, having a concave twisted surface. The concave surface maintains soil flow in the desired path as the shovel is moved forwardly through the soil. The soil displaced by the shovel is directed more effectively by the concave surface to one side of the shank to improve crop residue flow and incorporation, and the concave shape significantly improves the bending strength of the shovel over that of flat-twisted shovels of comparable width and thickness.

REFERENCES:
patent: 234321 (1880-11-01), Nellis
patent: 275546 (1883-04-01), Timms
patent: 673221 (1901-04-01), Perry
patent: 681547 (1901-08-01), Hartig
patent: 765061 (1904-07-01), Word
patent: 1165965 (1915-12-01), Gausman
patent: 1641050 (1927-08-01), Ramsey
patent: 3926261 (1975-12-01), Kjellberg
"Shovel Equipment", John Deere Van Brunt Model 147 "CC" Field and Orchard Cultivator, Operator's Manual OM-M4-1155, Jan., 1955, p. 4.

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