Ground conditioning device and method of conditioning soil

Details Ground conditioning device and method of conditioning soil Ground conditioning device and method of conditioning soil

1977-01-24

1978-07-25

Shapiro, Paul E.

Earth working

Rolling, rotating or orbitally moving tool

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

172177, 172184, 172548, A01B 3516, A01B 3528

Patent

active

041024060

ABSTRACT:
Water-holding and retaining cavities are formed in furrows with the cavities being staggered between adjacent rows. An arm spring biased downwardly carries a hub having spikes in planes laterally spaced apart with the spikes around the hub being staggered between the planes. Each spike is concave longitudinally and in transverse cross section and is secured to opposite sides of a disc mounting plate by a pair of clamping elements one of which is integrally connected to the mounting plate.

REFERENCES:
patent: 2070425 (1937-02-01), Engel
patent: 2225204 (1940-12-01), Benjamin
patent: 2227641 (1941-01-01), Garey
patent: 2228389 (1941-01-01), Garey
patent: 2229746 (1941-01-01), Krause
patent: 2293173 (1942-08-01), Rohlfs
patent: 3151685 (1964-10-01), Field
patent: 3393751 (1968-07-01), Mascaro
patent: 3461973 (1969-08-01), Geurts
patent: 3702638 (1972-11-01), Takata
patent: 4027899 (1977-06-01), Hawes et al.

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