Patent ID: 7338114

Claim:
A construction machine having a frame which is provided with a working mechanism located on the front side thereof, an engine located in a rear side of said frame, a floor panel provided on said frame in front of said engine, and an operator's seat provided on said floor panel, characterized in that said construction machine comprises: a floor panel support mechanism provided between front end portions of said frame and floor panel, and connected to front end of said floor panel through a supporting point in tilting up and down said floor panel together with said operator's seat; a tilting mechanism provided between said frame and said floor panel on the rear side of said floor panel support mechanism and comprising a screw rod having a base end thereof pivotally supported on said frame, and a displacement member provided between said floor panel and said screw rod and held in threaded engagement with said screw rod for translational movement according to rotation of said screw rod; and said tilting mechanism being adapted to tilt up and down said floor panel by way of a pivoting point provided at a base end of said screw rod and a displacement point provided at said displacement member and translated to an arbitrary position, tilting up said floor panel in forward direction to a degree commensurate with a distance of travel of said displacement point in forward direction.