Cultivator

Details Cultivator Cultivator

1977-02-07

1979-10-09

Johnson, Richard J.

Earth working

Diverse tools

Laterally spaced like tools with intermediate diverse tool

172600, 172624, 280490A, 280461A, A01B 3922, A01B 3902

Patent

active

041702654

ABSTRACT:
Cultivator apparatus comprises an elongate main frame and a plurality of cultivator sub-assemblies spaced along the length of the main frame and each including a sub-assembly frame. Respective linking means connect each of the sub-assembly frames to the main frame for independent floating movement of the sub-assembly frame with respect to the main frame while preventing tilting of the sub-assembly frame with respect to the main frame.

REFERENCES:
patent: 1180845 (1916-04-01), Gustafson
patent: 1209899 (1916-12-01), Springer
patent: 1613079 (1927-01-01), Brink
patent: 2751834 (1956-06-01), Hines
patent: 2826131 (1958-03-01), Willet
patent: 2882982 (1959-04-01), Hobbs
patent: 2947372 (1960-08-01), Olson
patent: 3203487 (1965-08-01), Whitesides
patent: 3220488 (1965-11-01), Becker
patent: 3327786 (1967-06-01), Meyer
patent: 3561539 (1971-02-01), Evans
patent: 3601202 (1971-08-01), Steffe
patent: 3737156 (1973-06-01), Ward
patent: 3921726 (1975-11-01), Connor
patent: 3982593 (1976-09-01), Grobey
patent: 4019754 (1977-04-01), Hinckley

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