| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor travelling type truck system which may not disturb baggage handling work by an alternate vehicle in the case of failure of the floor travelling type truck itself or floor travelling type truck system. SOLUTION: A pit P having approximately a same depth as a height of a rail R is arranged in a floor F by being fitted to the track of the rail R, and the rail R is laid in the pit P. When the truck is not used, the pit P is covered with a cover member so that the other vehicle can travel. COPYRIGHT: (C)2003,JPO
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