Title:
WORK VEHICLE
Document Type and Number:
Japanese Patent JP2020001442
Kind Code:
A
Abstract:
To meet a desire for enabling a vehicle to run with the attitude of a vehicular main body being stabilized although on a road surface with concavities and convexities, and for enabling the vehicle body to smoothly turn and run without an excessive load.SOLUTION: A work vehicle includes: a plurality of bent linkage mechanisms 4 that supports each of a plurality of running wheels 2 to a vehicular main body 1 so as to be freely movable upwardly and downwardly; attitude changing operation means 5 capable of changing the attitude of each of the plurality of bent linkage mechanisms 4; a plurality of turning operation means for supporting each of the plurality of bent linkage mechanisms 4 to the vehicular main body so as to enable a direction change around a vertical axial center; and controlling means 13 for controlling the action of the attitude changing operation means 5 and that of the turning operation means. When a direction change operation is given to either the right and left running wheels 2 located at the front section or the right and left running wheels 2 located at the rear section, the controlling means 13 controls the action of the attitude changing operation means 5 in such a way that the weight-center position of the vehicular main body 1 is displaced toward the opposite side to the side at which the direction changing operation is performed in the vehicle back-and-forth direction.SELECTED DRAWING: Figure 1
Inventors:
ISHIKAWA JUNICHI
HIRAOKA MINORU
HIRAOKA MINORU
Application Number:
JP2018119980A
Publication Date:
January 09, 2020
Filing Date:
June 25, 2018
Export Citation:
Assignee:
KUBOTA KK
International Classes:
B62D61/12
Domestic Patent References:
| JPS61500604A | 1986-04-03 | |||
| JPH09501630A | 1997-02-18 |
Attorney, Agent or Firm:
Patent business corporation r&c