| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a screw drive carrying truck allowed in smooth transition by suitably combining a plurality of short screw shafts, facilitating the work of installing or adjusting the whole of a screw drive carrying device, and independently controlling the traveling of the plurality of the screw drive carrying trucks. Ž<P>SOLUTION: In the screw drive carrying truck 120 driven to be carried in a carrying direction by a screw shaft 110, engaging means 123 engaged with the screw shaft 110 are provided at three places in the carrying direction. The engaging means 123 at the two places are provided in series in the carrying direction, and the other one engaging means 123 is provided between the two places and at a position separated from a straight line connecting those. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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