IP Library Granted Patent US 11,613,191
Granted Patent B2
US 11,613,191 · App. 17/272,681 · Granted Mar 28, 2023

Work vehicle

Inventors: Akihiro Koshi (Tokyo, JP); Masahiko Hamaguchi (Tokyo, JP); Hirofumi Wada (Tokyo, JP); Naoki Kimura (Tokyo, JP)
Assignee: KOMATSU LTD.
B60N2/797B60N2/767B60N2/77E02F9/166E02F9/2004
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,613,191
App. No.
17/272,681
Granted
Mar 28, 2023
Kind
B2
Abstract

A wheel loader representing a work vehicle includes an operator's seat, an armrest, and a seat operation portion. The armrest is provided lateral to the operator's seat. The seat operation portion controls a position or a posture of the operator's seat. The seat operation portion is attached to the armrest.

Claims (27)

1. A work vehicle comprising:

an operator's seat;

an armrest provided lateral to the operator's seat; and

a seat operation portion attached to the armrest, the seat operation portion controlling a position or a posture of the operator's seat, wherein

the armrest includes an upper surface,

the seat operation portion is provided closer to a front end of the upper surface than to a rear end of the upper surface in a fore/aft direction,

the armrest pivots around a pivot central axis that intersects with the upper surface,

the pivot central axis is located closer to the front end of the upper surface than to the rear end of the upper surface in the fore/aft direction, and

the armrest includes

a cushion portion including the upper surface, and

a bracket to which the seat operation portion is attached, the bracket pivotably supporting the cushion portion.

2. The work vehicle according to claim 1 , wherein

the seat operation portion is provided at a position laterally opposed to the operator's seat in a top view.

3. The work vehicle according to claim 1 , wherein

the seat operation portion is provided below the upper surface.

4. The work vehicle according to claim 3 , wherein

in a top view, the seat operation portion is hidden from view by the upper surface.

5. The work vehicle according to claim 1 , wherein

the armrest includes

a height adjustment mechanism provided in the bracket, the height adjustment mechanism moving the bracket upward or downward together with the cushion portion.

6. The work vehicle according to claim 1 , further comprising a console including an operation portion that controls an operation of the work vehicle, the console being provided lateral to the operator's seat, wherein

the armrest is provided in a rear of the operation portion.

7. The work vehicle according to claim 6 , wherein

the cushion portion is provided above the console, and

the seat operation portion is provided between the cushion portion and the console in an upward/downward direction.

8. The work vehicle according to claim 1 , wherein

the seat operation portion is provided between the front end of the upper surface and the pivot central axis of the armrest in the fore/aft direction.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 2, 2021
From: KOSHI, AKIHIRO; HAMAGUCHI, MASAHIKO; WADA, HIROFUMI; KIMURA, NAOKI
To: KOMATSU LTD.
Reel/Frame 055454/0949 →
Priority Claims (1)
JP JP2018-202135 · Oct 26, 2018 · national
Continuity (1)
Related Publication 20220118895A1 · Apr 21, 2022
Cited By (1)
US 12,434,843