| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that at the time of making a rice transplanter perform a rice transplanting work in a paddy fields, a ridge where those fields are faced to each other is provided with light emitters and a light receivers, and laser beams are made to run, and a rice transplanter is made to notice the whirling position for automatically whirling in a conventionally manner, and that since it is made to simply whirl at a predetermined position, it is not possible to notice the traveling position in the next process, and it is necessary to operate the working vehicle to the traveling position in the next process, and it is impossible to control its automatic whirling. SOLUTION: The body of a work vehicle is provided with a distance detecting sensor 61 for measuring a distance until sensing points 62a and 62b set in a working site, and configured to recognize the traveling position of the next process based on the measurement of the distance between the sensing points 62a and 62b and the vehicle body for automatically whirling. COPYRIGHT: (C)2004,JPO
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