Tractor-driven agricultural apparatus including a plurality of r

Details Tractor-driven agricultural apparatus including a plurality of r Tractor-driven agricultural apparatus including a plurality of r

1983-06-10

1985-06-04

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

With specific relationship of mast-type hitch to implement

172117, 172125, 172443, 172 56, 172123, A01B 7106, A01B 3302

Patent

active

045208735

ABSTRACT:
Agricultural apparatus to be driven by a tractor comprises a main frame attachable to the rear end of the tractor, a pair of ground-engaging wheels carried on the opposite ends of the main frame, a pair of rotary-driven agricultural units mounted on opposite sides of the main frame along a common axis, and a third rotary-driven agricultural unit mounted on the main frame centrally between the pair of units and rearwardly of their common axis. The three rotary-driven agricultural units such as rotary tillers, are each independently mounted to the main frame by a separate 3-point connection, permitting each to be float upwardly or downwardly with respect to the ground.

REFERENCES:
patent: 1605795 (1926-11-01), Steele
patent: 2793576 (1957-05-01), Carpi
patent: 2935139 (1960-05-01), Dede
patent: 3183980 (1965-05-01), Howard
patent: 3303890 (1967-02-01), Vissers
patent: 4301643 (1981-11-01), Bailey
patent: 4373590 (1983-02-01), Wittrock
patent: 4402367 (1983-09-01), Causer

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