Soil cultivating machines

Details Soil cultivating machines Soil cultivating machines

1979-04-05

1981-11-24

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Plural driven tools

172734, 172762, 172770, A01B 3306, A01B 3310

Patent

active

043018718

ABSTRACT:
A cultivating machine has soil working members journalled in a hollow frame portion. Each member includes a harrow with supports and downwardly extending strips attached to the supports. The lower strip ends each mount a curved blade that is pointed in the direction of member rotation. Drive to the members is a power take off via a speed reduction gear assembly in a box supported on the frame portion. The assembly can include different sized pinions or a sun-planet gear arrangement. Each member has a respective pinion that is housed in the frame portion and in one arrangement, the gear and shaft of each member are journalled with a bearing housing which are bolted as a unit for easy and fast replacement. Neighboring member pinions have intermediate pinions interposed and journalled within the frame portion. The frame is supported on ground wheels at the sides and in front of the frame portion. At each lateral side of the frame portion, a cooperating plate is positioned and the plate is interconnected to the frame portion with a pair of arms that have a shear pin connection so that the plates can pivot away from the machine to pass an obstacle.

REFERENCES:
patent: 2034779 (1936-03-01), Storey
patent: 3016957 (1962-01-01), Olson
patent: 3667551 (1972-06-01), Lely
patent: 3946816 (1976-03-01), Lely

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