Title:
WORKING VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/138444
Kind Code:
A1
Abstract:
This working vehicle is equipped with an engine 5 mounted on a traveling machine body 2, a rectilinear system transmission path comprising a first continuously variable transmission 17, and a turning system transmission path comprising a second continuously variable transmission 13, and drives left and right travel parts 3 by combining the output of the rectilinear system transmission path and the output of the turning system transmission path. This working vehicle is also equipped with: control units 813, 814 that control the output of the rectilinear system transmission path and the output of the turning system transmission path in coordination with each other; and a power connection/disconnection mechanism that connects/disconnects the transmission of power from the rectilinear system transmission path. If the transmission of power from the rectilinear system transmission path is disconnected by the power connection/disconnection mechanism, control unit 814 restricts the output of the turning system transmission path, and prohibits rotational motion in the mutually opposite directions of the left and right traveling units 3.
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Inventors:
IWAMURA KEISUKE (JP)
Application Number:
PCT/JP2017/003897
Publication Date:
August 17, 2017
Filing Date:
February 03, 2017
Export Citation:
Assignee:
YANMAR CO LTD (JP)
International Classes:
B62D11/08; B62D11/10
Foreign References:
| JP2005067606A | 2005-03-17 | |||
| JP2001163241A | 2001-06-19 | |||
| JP2014144008A | 2014-08-14 | |||
| JP2000025642A | 2000-01-25 |
Other References:
See also references of EP 3415404A4
Attorney, Agent or Firm:
WATANABE Ryuichi (JP)
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