Cab

Patent metadata

Field	Value
Publication number	US-2025314042-A1
Application number	US-202218292595-A
Country	US
Kind code	A1
Filing date	Aug 24, 2022
Priority date	Sep 3, 2021
Publication date	Oct 9, 2025
Grant date	—

Abstract

A cab includes a ceiling part including a top window, a roll blind, a first duct and a louver. The roll blind includes a screen disposed on an inside of the top window, and a winding device disposed inside the ceiling part on a rear side of the top window. The winding device is configured to wind up the screen. The first duct is disposed inside the ceiling part. The first duct passes below the winding device. The louver disposed further to a front side than the winding device and in a first air outlet of the first duct.

First claim

1 . A cab comprising:
a ceiling part including a top window; a roll blind including
a screen disposed on an inside of the top window, and
a winding device disposed inside the ceiling part on a rear side of the top window, the winding device being configured to wind up the screen;
a first duct disposed inside the ceiling part, the first duct passing below the winding device; and a louver disposed
further to a front side than the winding device and
in a first air outlet of the first duct.

2 . The cab according to claim 1 , wherein
a lower surface of a space in which the screen is disposed from the winding device to the rear side of the top window, is sloped forward and downward.

3 . The cab according to claim 1 , wherein
the first duct is disposed extending from a rear toward a front up to the rear side of the top window.

4 . The cab according to claim 1 , wherein
the louver is disposed so as to overlap the winding device in a height direction.

5 . The cab according to claim 1 , further comprising:
locking members disposed at both ends of the top window, the locking members being configured to lock the screen.

6 . The cab according to claim 1 , further comprising:
a second duct disposed in the ceiling part, the second duct passing from a rear toward a front at a side of top window, the second duct including
a second air outlet disposed at a front end of the ceiling part, and
a sloping portion joined to the second air outlet, an upper surface side of the sloping portion being sloped forward and downward.

Assignees

• Komatsu Mfg Co Ltd

Inventors

• Watanabe Shingo
• Kikuma tomoko
• Ikeda Takeshi

Classifications

• B60Y2200/412

  Excavators · CPC title

• B60J3/02

  adjustable in position {(B60J3/002, B60J3/005 take precedence)} · CPC title

• B60H1/34

  Nozzles; Air-diffusers · CPC title

• E02F9/0858

  Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units (E02F9/16, E02F9/18 take precedence) · CPC title

• F24F13/068

  formed as perforated walls, ceilings or floors (F24F13/078 takes precedence) · CPC title