Patent ID: 7367463
Filing Date: 2008-05-06
Classification: B66C,B66F

Abstract:
1. A wheeled crane comprising: an upper rotating body, a traveling frame of a lower traveling body, wherein said traveling frame is provided with a rotational base for rotatably supporting said upper rotating body in a vicinity of a central portion of the traveling frame and axle supporting portions provided forward and rearward, respectively, of the rotating base, wherein an uppermost surface of said rotational base is positioned downward from an upper surface of the axle supporting portions, wherein a lowermost surface of said rotational base is on a level above a lower surface of said axle supporting portions, wherein said axle supporting portions are constructed of an upper frame member and a lower frame member for sandwiching an axle between the upper and lower frame members in upper and lower directions; and tires mounted to said axle, wherein the uppermost surface of said rotational base is positioned downward from the tops of said tires.