Electric work vehicle drive arrangement

US12457927B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12457927-B2
Application numberUS-202217820158-A
CountryUS
Kind codeB2
Filing dateAug 16, 2022
Priority dateAug 17, 2021
Publication dateNov 4, 2025
Grant dateNov 4, 2025

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  1. Title

    What the patent document calls the invention.

  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A hood in which a predetermined space is formed is provided in a front portion of a traveling vehicle body, a control portion on which an operator rides is provided on a rear side of the hood, a first electric motor configured to drive rear wheels and a second electric motor configured to drive a work machine are provided on a lower rear side of a control seat of the control portion, and a battery configured to store electric power to be supplied to the first electric motor and the second electric motor is provided in the space formed by the hood.

First claim

Opening claim text (preview).

What is claimed is: 1 . A work vehicle comprising: a pair of left and right front wheels provided at a front portion of a traveling vehicle body; a pair of left and right rear wheels provided at a rear portion of the traveling vehicle body; and a work machine provided on a lower surface of the traveling vehicle body, wherein a hood is provided at the front portion of the traveling vehicle body, and a control portion on which an operator rides is provided at a rear side of the hood, a first electric motor configured to drive the rear wheels and a second electric motor configured to drive the work machine are provided on a lower rear side of a control seat of the control portion, and a battery configured to store electric power supplied to the first electric motor and the second electric motor is provided in a space formed by the hood, wherein a first output shaft of the first electric motor is provided along a left-right direction, and a second output shaft of the second electric motor is provided along a front-rear direction, a gear box configured to transmit an output rotation of the first output shaft to a lower drive shaft is provided on one side of the first electric motor, the rear wheels and the gear box are coupled by the drive shaft, and the second electric motor is provided below the first electric motor, and the second output shaft is provided above the drive shaft. 2 . The work vehicle according to claim 1 , wherein the second electric motor is provided below the first electric motor, and the second output shaft is provided above the drive shaft so as to intersect with the drive shaft in a plan view. 3 . The work vehicle according to claim 1 , wherein a grass collection container configured to store weeds cut by the work machine is provided on a rear side of the control portion, and an outlet port of the work machine and an inlet port of the grass collection container are communicated with each other by a chute, the first electric motor and the second electric motor are provided so as to be shifted to one side in a left-right direction, and the chute is provided on the other side of the first electric motor and the second electric motor.

Assignees

Inventors

Classifications

  • Lawn-mowers · CPC title

  • in or into a container carried by the mower; Containers therefor (A01D43/077 takes precedence) · CPC title

  • electric · CPC title

  • Ridable lawn mowers · CPC title

  • one motor mounted on a propulsion axle for rotating right and left wheels of this axle · CPC title

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Frequently asked questions

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What does patent US12457927B2 cover?
A hood in which a predetermined space is formed is provided in a front portion of a traveling vehicle body, a control portion on which an operator rides is provided on a rear side of the hood, a first electric motor configured to drive rear wheels and a second electric motor configured to drive a work machine are provided on a lower rear side of a control seat of the control portion, and a batt…
Who is the assignee on this patent?
Iseki Agricult Mach
What technology area does this patent fall under?
Primary CPC classification A01D34/64. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Nov 04 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 6 related publications on this page (citations in our corpus or others sharing the same primary CPC).