| 摘要 |
<p>PROBLEM TO BE SOLVED: To install a rear defroster to have good rear view in the cabin of a construction machine with good space efficiency without drawing around extra-ducts. SOLUTION: A cold/warm keeping chamber 35 is installed behind the driver seat 22 in the cabin 21 of a construction machine, and a small compartment is provided in the casing 37 of this chamber 35, and a hot or cool wind from an air-conditioner unit 27 is introduced to the compartment. A cold/warm keeping space and a draft path leading to a grille are formed inside the casing, wherein the grille is positioned near the rear window 26 and serves as an air blowout hole, and the air introduced to the compartment is led to the cold/warm keeping space or draft path through a switching door.</p> |
