Title:
Seedling transplanter
Document Type and Number:
Japanese Patent JP5983433
Kind Code:
B2
Abstract:
[Object] To provide a working vehicle comprising a hydraulic transmission (H), in which the hydraulic oil squirted from a groove (84) in the valve plate, (86), toward inside of a port in the valve plate (86), does not erode the port in the valve plate (86). [Solution] Disclosed is a working vehicle comprising: a driving source (20); a hydraulic transmission (H) including an input shaft (74) operating in response to a driving force from the driving source (20), an input-side cylinder block rotating together with the input shaft (74), an output-side cylinder block rotating due to a hydraulic pressure from the input-side cylinder block, an output shaft (75) rotating together with the output-side cylinder block, and a plurality of cylinders (47) provided for the input-side cylinder block or the output-side cylinder block; a valve plate (86) provided with a port for hydraulic oil from the cylinder (47); and a plurality of grooves (84) provided for the port; wherein lines extended from the plurality of grooves (84) intersect with each other in the port.
Inventors:
Kenichiro Sakata
Takuji Komatsu
Abe Shinsuke
Daisuke Imaizumi
Takeshi Kato
Takuji Komatsu
Abe Shinsuke
Daisuke Imaizumi
Takeshi Kato
Application Number:
JP2013014261A
Publication Date:
August 31, 2016
Filing Date:
January 29, 2013
Export Citation:
Assignee:
Iseki Agricultural Machinery Co., Ltd.
International Classes:
F04B1/22; F03C1/253; F16H39/14
Domestic Patent References:
| JP2011103802A | ||||
| JP11223175A | ||||
| JP462367U | ||||
| JP2000356183A |
Foreign References:
| WO2012026348A1 | ||||
| US4075933 | ||||
| US20100205951 |
Attorney, Agent or Firm:
Takayoshi Matsunaga
Iizuka Muko
Iizuka Muko
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