| 摘要 |
An overhead traveling vehicle has a lateral movement mechanism for moving a transfer apparatus toward left and right sides. The lateral movement mechanism includes a fixed base unit having drive means, and a middle unit supported by the base unit. The middle unit is slidable laterally by the drive means toward both of the left and right sides and is provided at an intermediate position below the base unit. The mechanism has further a front unit supporting the transfer apparatus, and being supported by the middle unit. The front unit is slidable laterally, moves with the movement of the middle unit, and is provided at a front end position below the middle unit.
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