Title:
WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/138789
Kind Code:
A1
Abstract:
A rice transplanter 1 is provided with a steering wheel 13, a steering shaft 41, a body 43 to be detected that rotates with the steering shaft 41, a steering shaft sensor 46 that detects the body 43, side clutches 93L, 93R that are switched at a prescribed turning angle of the steering shaft 41 to the left or right, side clutch sensors 98L, 98R that detect switching of the side clutches 93L, 93R, and a controller 100 that determines a first turning angle and second turning angle of the steering shaft 41, the second turning angle corresponding to 360 degree rotation from the first turning angle either to the left or to the right, wherein the controller 100 determines the first turning angle and second turning angle of the steering shaft 41 on the basis of detection results from the steering shaft sensor 46 and detection results from the side clutch sensors 98L, 98R.
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Inventors:
YUKI HIDEHIRO (JP)
NAKAMURA SHOICHI (JP)
ONISHI KENTA (JP)
NAKAMURA SHOICHI (JP)
ONISHI KENTA (JP)
Application Number:
PCT/JP2018/046328
Publication Date:
July 18, 2019
Filing Date:
December 17, 2018
Export Citation:
Assignee:
YANMAR CO LTD (JP)
International Classes:
B62D6/00; A01B69/00; A01C11/02; B62D5/04; B62D11/08
Domestic Patent References:
| WO2011114671A1 | 2011-09-22 |
Foreign References:
| JP2008155744A | 2008-07-10 | |||
| JPH08104241A | 1996-04-23 | |||
| JP2012240504A | 2012-12-10 | |||
| JP2006119082A | 2006-05-11 | |||
| JP2014012461A | 2014-01-23 | |||
| JP2006224815A | 2006-08-31 | |||
| US20110297460A1 | 2011-12-08 | |||
| US5325933A | 1994-07-05 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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