Patent ID: 11926363
Assignee: KUBOTA CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A work vehicle, comprising:
a vehicle body;
left and right wheels provided for the vehicle body;
left and right body frames provided for the vehicle body;
left and right axles connected to the respective wheels;
left and right axle cases of a rigid axle type, the left and right axle cases supporting the respective axles so that the left and right axles are coaxial with respect to each other;
a left suspension mechanism via which the left body frame supports the left axle case;
a right suspension mechanism via which the right body frame supports the right axle case;
a unit frame below the left and right body frames, the unit frame supporting a unitized whole that is made up of an engine, a continuously variable transmission device, and a transmission case connected with one another;
a left link frame extending between the left body frame and the left axle case and liftably supporting the left axle case; and
a right link frame extending between the right body frame and the right axle case and liftably supporting the right axle case,
wherein:
the unit frame and the left and right axle cases are provided in a unified manner,
the left and right body frames have respective front brackets,
the unit frame has left and right portions corresponding to the respective axle cases, the left portion having a left rear bracket forward of the left axle case, the right portion having a right rear bracket forward of the right axle case,
the left and right link frames comprise a pair of upper and lower link members,
the upper and lower link members have a front end portion supported by the respective left and right body frames via the respective left and right front brackets so that the link members are swingable up and down about lateral axes, and
the upper and lower link members have a rear end portion supported by the unit frame via the respective left and right rear brackets so that the link members are swingable up and down about lateral axes.