Cultivating system and cultivating machine with plow-depth contr

Details Cultivating system and cultivating machine with plow-depth contr Cultivating system and cultivating machine with plow-depth contr

1994-10-12

1996-12-03

Melius, Terry Lee

Earth working

Automatic power control

Land leveller type

172425, 172449, 172414, A01B 63111

Patent

active

055798500

ABSTRACT:
A cultivating system including a tractor, a cultivating machine for performing a cultivating work in combination with the tractor, and a link mechanism for linking the tractor and the cultivating machine, includes a free-motion mechanism provided to at least one of the tractor, the cultivating machine and the link mechanism, and having a free motion permissible zone in which at least one of the tractor, the cultivating machine and the link mechanism is freely movable relatively to the others in accordance with variation of a cultivation attitude of the cultivating machine due to variation of a cultivation environment, a cultivation-condition control mechanism for detecting the free motion of at least one of the tractor, the cultivating machine and the link mechanism within the free motion permissible zone in accordance with the variation of the cultivation environment, and moving the cultivating machine in accordance with the free motion permissible zone so as to offset the variation of the attitude of said cultivating machine due to the variation of the cultivation environment, whereby the cultivating machine performs its cultivating work in a desired invariable cultivation condition, and a free-motion transmitting mechanism for transmitting the free motion in the free motion permissible zone to the cultivation-condition control mechanism.

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