Title:
緩み止め部材及び農作業機
Document Type and Number:
Japanese Patent JP7403804
Kind Code:
B2
Abstract:
To provide a harvesting machine which can achieve reduction of a burden of a worker.SOLUTION: A harvesting machine includes a crawler 14 serving as a travel device at its lower part. The crawler 14 has: an idler 133 that is a rotary member which guides a crawler belt 131; an adjustment bolt 150 for adjusting a position of the idler 133; and a loosening prevention plate 156 which prevents loosening of the adjustment bolt 150. The loosening prevention plate 156 has: a fitting part 161 which is removably fitted with a head part 151 of the adjustment bolt 150; and a rotation restriction part 162 which engages with a square pipe part 140 to restrict rotation of the adjustment bolt 150 in a loosening direction.SELECTED DRAWING: Figure 7
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| JPS58134213 | BOLT OR NUT WITH WASHER |
Inventors:
Masato Obata
Koji Yuhara
Shinya Kobayashi
Koji Yuhara
Shinya Kobayashi
Application Number:
JP2020052218A
Publication Date:
December 25, 2023
Filing Date:
March 24, 2020
Export Citation:
Assignee:
Matsuyama Co., Ltd.
International Classes:
F16B39/24; A01D67/00
Domestic Patent References:
| JP48077561U | ||||
| JP58088009U | ||||
| JP2004176741A | ||||
| JP2007153020A | ||||
| JP2011020512A | ||||
| JP2018008352A | ||||
| JP2019209382A | ||||
| JP5554185A | ||||
| JP2015047970A | ||||
| JP2010071313A |
Foreign References:
| KR1020160077999A | ||||
| US0277336 |
Attorney, Agent or Firm:
Satoshi Kabasawa
Tetsuya Yamada
Jo Kabasawa
Tetsuya Yamada
Jo Kabasawa