IP Library Granted Patent US 12,139,026
Granted Patent B2
US 12,139,026 · App. 18/372,360 · Granted Nov 12, 2024

Work vehicle

Inventors: Kohei Ono (Sakai, JP); Nozomu Akiyama (Sakai, JP)
Assignee: Kubota Corporation
B60L50/66B60K1/04B60K17/28B60K2001/0416B60K2001/0438B60L2200/40B60R21/131B62D49/0671
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Quick Facts
Patent No.
US 12,139,026
App. No.
18/372,360
Granted
Nov 12, 2024
Kind
B2
Abstract

A work vehicle includes travel devices, a battery, a motor configured to supply motive power to the travel devices, an inverter configured to operate the motor, and an operation section. The battery is between a front travel device and a rear travel device in a side view, and below a floor of the operation section.

Claims (33)

1. A work vehicle comprising:

a travel device;

at least one battery;

a motor configured to supply motive power to the travel device;

an inverter configured to operate the motor;

an operation section; and

a ROPS frame, and

wherein:

the ROPS frame comprises a right section and a left section extending in the up-down direction behind an operator seat, the at least one first battery is on the ROPS frame and extends between the right section and the left section in the up-down direction.

2. The work vehicle according to claim 1 , further comprising:

at least one second battery;

wherein the at least one second battery is between the front travel device and the rear travel device in a side view and below the operator seat of the operation section.

3. The work vehicle according to claim 2 , further comprising:

a left body frame and a right body frame that extend in a front-back direction below the floor, and

wherein the at least one second battery is between the left body frame and the right body frame in a plan view.

4. The work vehicle according to claim 1 , further comprising:

a second battery, and

wherein:

the transmission case is below the operator seat,

the motor, the transmission, and the travel device are configured such that motive power from the motor is transmitted to the transmission and transmitted from the transmission to the travel device, and

the second battery is between the operator seat and the transmission case in a side view.

5. The work vehicle according to claim 1 , further comprising:

an operator seat included in the operation section;

a transmission case housing a transmission for travel;

a work device;

a link mechanism disposed on the transmission case, configured to be raised and lowered, and joined to the work device;

a hydraulic cylinder disposed on the transmission case and configured to raise and lower the link mechanism;

a hydraulic pump configured to supply hydraulic oil to the hydraulic cylinder; and

a pump motor configured to drive the hydraulic pump, and

wherein:

the motor, the transmission, and the travel devices are configured such that motive power from the motor is transmitted to the transmission and transmitted from the transmission to the travel devices,

the transmission case is below the operator seat, and

the pump motor is between the operator seat and the transmission case in a side view.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 20, 2024
From: ONO, KOHEI; AKIYAMA, NOZOMU
To: KUBOTA CORPORATION
Reel/Frame 067774/0242 →
Priority Claims (1)
JP 2022-152769 · Sep 26, 2022 · national
Continuity (1)
Related Publication 20240100971A1 · Mar 28, 2024
Cited By (2)
US 12,533,972 US 12,583,362