Patent ID: 7537074

Claim:
A construction machine comprised of a vehicular body having a working mechanism in a front side portion thereof, a hollow cab mounted on said vehicular body and provided with a front window pane on the front side thereof, an operator's seat furnished within said cab and to be taken by an operator, an air duct provided within said cab to supply conditioned air toward air outlets, a washer liquid spout nozzle provided on a front window pane to spurt a washer liquid thereon, and a washer tank holding a washer liquid for supply to said spout nozzle, wherein: said washer tank is integrally joined with said air duct and installed in said cab; a duct cover is adapted to cover said air duct and said washer tank; and said washer tank has a filling inlet port projected upward through the duct cover to receive a washer liquid charged into said washer tank.