Work vehicle

Patent metadata

Field	Value
Publication number	US-2022118895-A1
Application number	US-201917272681-A
Country	US
Kind code	A1
Filing date	Oct 17, 2019
Priority date	Oct 26, 2018
Publication date	Apr 21, 2022
Grant date	—

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.

First claim

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.

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 armrest includes an upper surface, and the seat operation portion is provided below the upper surface.

4 . The work vehicle according to claim 3 , wherein the seat operation portion is provided inside an area where the upper surface is projected below.

5 . The work vehicle according to claim 1 , wherein
the armrest includes an upper surface, and 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.

6 . The work vehicle according to claim 5 , wherein
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.

7 . The work vehicle according to claim 1 , wherein
the armrest includes
a cushion portion,
a bracket to which the seat operation portion is attached, the bracket supporting the cushion portion, and
a height adjustment mechanism provided in the bracket, the height adjustment mechanism moving the bracket upward or downward together with the cushion portion.

8 . 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.

9 . The work vehicle according to claim 8 , wherein
the armrest includes a cushion portion provided above the console, and the seat operation portion is provided between the cushion portion and the console in an upward/downward direction.

Assignees

• Komatsu Mfg Co Ltd

Inventors

• Koshi Akihiro
• Hamaguchi Masahiko
• Wada Hirofumi
• Kimura Naoki

Classifications

• B60N2/0228

  Hand-activated mechanical switches (B60N2/0229 takes precedence) · CPC title

• B60N2/0231

  concealed interfaces, e.g. hidden below seat cover · CPC title

• E02F9/166

  movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins (seats for vehicles in general B60N2/00) · CPC title

• B60N2/767

  Angle adjustment · CPC title

• E02F9/2004

  Control mechanisms, e.g. control levers (control levers per se G05G) · CPC title