| 摘要 |
<p>An upper rotating body (3) is provided with a rotating frame (5), a floor member (10), and a cab box (20). The indoor unit (21) of an air conditioning device is provided to the floor member (10), and an outside-air introduction opening (16) is formed in the cab box (20) so as to be open to the outside. The upper rotating body (3) is also provided with an outside-air duct (24) for supplying outside air, which is introduced from the outside-air introduction opening (16), toward the indoor unit (21). The intermediate portion (24A) of the outside-air duct (24) is disposed at a high position at a side of an operator seat (17), and a filter housing section (26) is provided to the intermediate section (24A) so as to be open to the inside of the cab box (20). An outside-air filter (28) for collecting dust in the outside air flowing through the outside-air duct (24) is removably housed within the filter housing section (26).</p> |
