US 11,917,933 B2
Working vehicle
Shunsuke Miyashita, Sakai (JP); Yasuaki Morioka, Sakai (JP); Kunihiko Nishino, Sakai (JP); Kumiko Kobayashi, Sakai (JP); and Misako Kawai, Sakai (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on Jan. 5, 2021, as Appl. No. 17/141,263.
Application 17/141,263 is a continuation of application No. PCT/JP2019/024910, filed on Jun. 24, 2019.
Claims priority of application No. 2018-131240 (JP), filed on Jul. 11, 2018.
Prior Publication US 2021/0120729 A1, Apr. 29, 2021
Int. Cl. A01B 69/00 (2006.01); A01B 63/02 (2006.01); A01B 69/04 (2006.01); G05D 1/00 (2006.01)
CPC A01B 69/008 (2013.01) [A01B 63/02 (2013.01); G05D 1/0223 (2013.01); G05D 2201/0201 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A working vehicle comprising:
a steering handle;
a vehicle body to travel with either manual steering by the steering handle or automatic steering of the steering handle along a scheduled traveling line set based on a traveling reference line;
a position detector to detect where the vehicle body is positioned;
a reference line setter switch to set a position of the vehicle body detected by the position detector to a start position of the traveling reference line and set another position of the vehicle body detected by the position detector to an end position of the traveling reference line;
a steering switch to switch the automatic steering along the scheduled traveling line between to be started and to be terminated, the scheduled traveling line being not associated with a length of the traveling reference line;
a working device provided to a rear portion of the vehicle body;
a lifter to lift the working device;
an automatic lifter to lift the lifter under a predetermined operation condition where a steering angle of the steering handle is a predetermined angle or more; and
a controller to:
(i) when the steering angle of the steering handle is the predetermined angle or more while the automatic steering is performed, terminate the automatic steering and cause the automatic lifter to lift the lifter after termination of the automatic steering; and
(ii) while the lifter is being lifted or lowered while the automatic steering is not performed, not start the automatic steering even when the steering switch switches the automatic steering to be started.