| 摘要 |
PROBLEM TO BE SOLVED: To provide an excavation working vehicle capable of solving such a problem that in the case of the conventional excavation working vehicle, a reinforcing rib is erected on the upper surface of an upper structural body and there are many restrictions when another constituent mounted on the upper surface of the upper structural body is set, in the case the upper structural body is miniaturized to make a radius of gyration small, the weight balance in every direction varied by arrangement of the constituents and that there is a case becoming an obstacle when a total extended length of hydraulic piping or the like is considered. SOLUTION: In the excavation working vehicle 1 providing the upper structural body 2 equipped with the excavation working machine 6 to the upper part of a traveling means 3 in a swingable manner, the reinforcing rib 235 projected to the lower surface of the upper structural body is provided. COPYRIGHT: (C)2005,JPO&NCIPI
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