Title:
WORK VEHICLE
Document Type and Number:
Japanese Patent JP2022134332
Kind Code:
A
Abstract:
To solve the problem that it is requested to improve towing force, turning performance and a capability of running on a wet paddy field of a work vehicle.SOLUTION: A work vehicle comprises a running vehicle body having left and right front wheels and left and right rear crawlers 8. The rear crawler 8 comprises: a driving wheel 16 provided in a rear axle 15; a front idle wheel 17 arranged closer to a front side than the driving wheel 16; a rear idle wheel 18 arranged closer to a rear side than the driving wheel 16; a plurality of track rollers 19 arranged between the front idle wheel 17 and the rear idle wheel 18; a crawler belt 20 wound around the driving wheel 16, the front idle wheel 17, the rear idle wheel 18 and the plurality of track rollers 19; and a track frame 21 configured to oscillate with an oscillation axis 26 extending along a lateral direction of the vehicle body as a supporting point, which supports the front idle wheel 17, the rear idle wheel 18 and the plurality of track rollers 19. The work vehicle further comprises a position changing mechanism 22 that can change a position of the oscillation axis 26 along a longitudinal direction of the vehicle body.SELECTED DRAWING: Figure 2
Inventors:
ATONO TSUYOSHI
TAKEOKA SUSUMU
FUJIMOTO KAZUTAKA
TAKEOKA SUSUMU
FUJIMOTO KAZUTAKA
Application Number:
JP2021033397A
Publication Date:
September 15, 2022
Filing Date:
March 03, 2021
Export Citation:
Assignee:
KUBOTA KK
International Classes:
B62D55/084
Attorney, Agent or Firm:
Patent business corporation r&c