Patent ID: 11882789
Assignee: ISEKI & CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 0:
1. A work vehicle comprising:
a vehicle body;
a floor forming a bottom portion of an operation part of the vehicle body;
a fuel tank arranged below the floor;
a mower suspended from a lower part of the vehicle body;
a front suspension arm configured to support a front portion of the mower; and
a rear suspension arm configured to support a rear portion of the mower,
wherein the rear suspension arm is configured to avoid the fuel tank,
the rear suspension arm includes a left rear suspension arm provided on a left side of the vehicle body in a horizontal direction and a right rear suspension arm provided on a right side of the vehicle body in the horizontal direction,
a left relay arm and a right relay arm is pivotably connected at a first end thereof to each of extensions of the left and right rear suspension arms further extending rearward at a suspension connection portion of the rear portion of the mower,
a left lift arm and a right lift arm is pivotably connected to a second end of each of the left and right relay arms at a first end of the left and right lift arms,
the left and right lift arms are pivotably connected at a second end thereof to each of left and right rear wheel axle members of the vehicle body,
a stop member configured to stop pivoting of one lift arm at a predetermined position is attached to one rear wheel axle member,
a lifting cylinder configured to drive pivoting of the other lift arm is attached to the other rear wheel axle member, the lifting cylinder being configured to lift and lower the mower by pivoting the other lift arm, and
the stop member is configured to adjust height of the mower by stopping pivoting of the one lift arm at the predetermined position.