Patent ID: 8485589

Claim:
A cabin system to be mounted on a vehicle body, said cabin system comprising: a driver's seat; an air conditioner body for indoor air conditioning disposed downwardly of the drive's seat; a plurality of support pillars constituting a cabin framework; a ceiling portion; and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning; wherein the main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face; the main duct is attached through the support pillar engaging face to one of the support pillars along an indoor side peripheral face of the one support pillar; and said support pillar engaging face of the main duct and said indoor side peripheral face of the one support pillar have profiles complementary with each other.