| 摘要 |
Guide rails for an article transport vehicle are provided and include a pair of right and left rail portion which are spaced apart from each other in a rail lateral direction. The guide rails are diverged into a straight forward path, a left diverging path, and a right diverging path at a three-directional diverging portion of the travel paths. The pair of right and left rail portions provided along the straight forward path are spaced apart in the path longitudinal direction from the pair of right and left rail portions provided along the upstream-side travel path of the three-directional diverging portion. In addition, an auxiliary receiving mechanism is provided for receiving and supporting the article transport vehicle traveling between the pair of right and left rail portion of the upstream-side travel path and the pair of right and left rail portions of the straight forward path. |
