Title:
AUTOMATIC SPEED CHANGE STRUCTURE OF TRACTOR FOR AGRICULTURE
Document Type and Number:
Japanese Patent JP3501854
Kind Code:
B2
Abstract:
PURPOSE: To shorten the distance of a shallow tilled part, when a rotary tilling device is lowered to the surface of the ground after the turning of the tractor is finished and subsequently when the next tilling work is again started, in the agricultural tractor in which the rotary tilling device is liftably connected to the frame.
CONSTITUTION: When a rotary tilling device 10 liftably connected to the frame is largely lifted from the surface of the ground, a speed change device for travel is automatically operated to the first low speed position. While the rotary tilling device 10 is lowered to a prescribed low speed position after the turning of the tractor, the speed change device for the travel is automatically operated to the second low speed position at which the speed is lower than that of the first low speed position.
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Inventors:
Sadaharu Yoshida
Application Number:
JP22920894A
Publication Date:
March 02, 2004
Filing Date:
September 26, 1994
Export Citation:
Assignee:
Kubota Corporation
International Classes:
A01B33/02; A01B33/08; A01B63/111; B60W10/04; B60W10/10; B60W10/101; F16H59/00; F16H61/00; F16H61/02; (IPC1-7): A01B63/111; B60K41/12; F16H61/02
Domestic Patent References:
| JP3210102A | ||||
| JP6225602A |
Attorney, Agent or Firm:
Shuichiro Kitamura
Previous Patent: JPH03501853
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