作業車両

Japanese Patent JP7272375

B2

To solve a problem that operability of a work vehicle like a conventional rice planting machine when starting straight travel control is not always sufficient.SOLUTION: A rice planting machine which plants rice seedlings while traveling with a traveling device 220 attached to a vehicle body 100 comprises: a seedling planting device 230 which plants seedlings and is attached to the vehicle body 100 so as to be able to move up and down; and a controller 500 which executes straight travel control enabling the vehicle body 100 to travel straight in a predetermined direction. The controller 500 starts the straight travel control when receiving an instruction of a user for starting the straight travel control and determining that at least either a vehicle body direction condition requiring that a direction of the vehicle body 100 is within a range preliminarily set with reference to a straight travel direction or a seedling planting device lowering condition requiring that the seedling planting device 230 is lowered is satisfied.SELECTED DRAWING: Figure 2

Mitsuo Neda
Hitoshi Nomura
Naoki Hotta
Shuhei Tobita
Hikaru Osano
Yasuyuki Higashi
Hisami Fukushima
Hideki Yamashita
Hiroshi Toyoda
Koichi Kageura
Yoshinori Mizuno
Naomori Maeda
Hiroshi Kondo
Yuka Ura

JP2021007118A

May 12, 2023

January 20, 2021

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Iseki Agricultural Machinery Co., Ltd.

A01B69/00; A01C11/02

JP2020195402A
JP1240102A
JP2018186760A
JP2019050776A

US20190059199

Patent Attorney Corporation Shin-Osaka International Patent Office
Masamichi Matsuda

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