Title:
田植機
Document Type and Number:
Japanese Patent JP6737685
Kind Code:
B2
Abstract:
This rice transplanter 1 is equipped with a seedling planting device 23 for scraping off seedlings from a seedling mat placed on a seedling platform 29 with a planting claw 30 detachably attached to a claw case 236 and planting the seedlings in cultivated land. An extraction port cover 226 having an opening groove 231 through which the planting claw 30 passes is detachably attached to a seedling extraction port 220 of a seedling extraction plate 131 positioned beneath the seedling platform 29, and a set comprising the planting claw 30 and the extraction port cover 226 can be substituted with a set comprising a planting claw 30a having a planting claw width WA and an extraction port cover 226a having an opening groove width ΔWa, or a set comprising a planting claw 30b having a planting claw width WB wider than the planting claw width WA, and an extraction port cover 226b having an opening groove width ΔWb wider than the opening groove width ΔWa, and the gap ΔWa-WA which is the difference between the planting claw width WA and the opening groove width ΔWa is greater than the product of the reduction ratio WA/WB and the gap ΔWb-WB which is the difference between the planting claw width WB and the opening groove width ΔWb.
Inventors:
Toshiaki Kasahara
Makoto Inoue
Kensuke Omae
Makoto Inoue
Kensuke Omae
Application Number:
JP2016206425A
Publication Date:
August 12, 2020
Filing Date:
October 20, 2016
Export Citation:
Assignee:
Yanmar Power Technology Co., Ltd.
International Classes:
A01C11/02
Domestic Patent References:
| JP58018421U | ||||
| JP2015043731A | ||||
| JP7007324U | ||||
| JP7274641A | ||||
| JP62190417U | ||||
| JP5227814A |
Attorney, Agent or Firm:
Ryuichi Watanabe