Soil crust loosening apparatus

Details Soil crust loosening apparatus Soil crust loosening apparatus

1987-03-23

1988-09-06

Johnson, Richard J.

Earth working

Rolling, rotating or orbitally moving tool

Tool has circumferentially spaced teeth, tines, blades or...

172551, 172554, A01B 2906, A01B 3528, A01B 3912

Patent

active

047685964

ABSTRACT:
An apparatus for loosening a crust formed in the soil over planted seeds. A drum having a plurality of fingers rotatably disposed around an outer cylindrical surface thereof is biased toward the ground by spring rods which are adjustably attached to a frame. The frame is typically mounted to a prime mover such as a tractor or to a cultivator or the like attached to an agricultural tractor.

REFERENCES:
patent: 897057 (1908-08-01), Brook
patent: 941091 (1909-11-01), Newland
patent: 1442251 (1923-01-01), Ciari
patent: 1490222 (1924-04-01), Martin
patent: 1498378 (1924-06-01), Irwin
patent: 1639307 (1927-08-01), Neu
patent: 1950851 (1934-03-01), Konrad
patent: 2902099 (1959-09-01), Yafjack

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