Patent ID: 7559601
Filing Date: 2009-07-14
Classification: B60H,B62D

Abstract:
1. A construction machine having, an automotive lower structure, an upper revolving structure which is rotatably mounted on and assembled to said automotive lower structure by a revolving frame, a working mechanism mounted for lifting on a front side of said revolving frame of said upper revolving structure for excavating operations, and, an operator's seat provided on said upper revolving structure, on which an operator is to be seated, a cab located so as to cover said operator's seat, and a floor panel located in front of said operator's seat, characterized in that: said floor panel is fabricated in a double panel construction composed of a lower floor panel having a flat horizontal surface and a sunken storage portion in a part of said flat horizontal surface, said sunken storage portion being positioned above said revolving frame so as to be out of contact therewith, and an upper floor panel located over said lower floor panel so as to cover said sunken storage portion; a storage space is provided between said sunken storage portion of said lower floor panel and said upper floor panel; and an air conditioning unit, which supplies conditioned air, is accommodated in said storage space.