Title:
LOOSENING PREVENTION MEMBER AND AGRICULTURAL WORK MACHINE
Document Type and Number:
Japanese Patent JP2021152375
Kind Code:
A
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
Inventors:
OBATA MASATO
YUHARA MITSUHARU
KOBAYASHI SHINYA
YUHARA MITSUHARU
KOBAYASHI SHINYA
Application Number:
JP2020052218A
Publication Date:
September 30, 2021
Filing Date:
March 24, 2020
Export Citation:
Assignee:
MATSUYAMA KK
International Classes:
F16B39/24; A01D67/00
Domestic Patent References:
JPS4877561U | 1973-09-25 | |||
JPS5888009U | 1983-06-15 | |||
JPS5554185A | 1980-04-21 | |||
JP2015047970A | 2015-03-16 | |||
JP2010071313A | 2010-04-02 | |||
JP2004176741A | 2004-06-24 | |||
JP2007153020A | 2007-06-21 | |||
JP2011020512A | 2011-02-03 | |||
JP2018008352A | 2018-01-18 | |||
JP2019209382A | 2019-12-12 |
Foreign References:
KR20160077999A | 2016-07-04 | |||
US0277336A | 1883-05-08 |
Attorney, Agent or Firm:
Satoshi Kabazawa
Tetsuya Yamada
Tetsuya Yamada