| 主权项 |
1. A transport device comprising:
a pair of supporting portions that support a supported portion provided at an upper end of a transported article on both sides in a lateral width direction of the transported article; a moving body that supports the pair of supporting portions; and a transporting drive portion that moves the moving body, wherein the transported article comprises a small transported article or a large transported article having a greater volume than the small transported article, wherein a supported portion of the large transported article is formed to be wider than a supported portion of the small transported article in the lateral width direction, a pair of large-article supporting portions that support the supported portion of the large transported article and a pair of small-article supporting portions that support the supported portion of the small transported article are separately provided as the pair of supporting portions, the transport device includes: a large-article drive portion that moves each of the pair of large-article supporting portions between a large-article supporting position and a large-article retracted position, the large-article supporting position being a position at which an interval with an opposing large-article supporting portion in the lateral width direction is narrower than a lateral width of the supported portion of the large transported article, and the large -article retracted position being a position at which the interval with the opposing large-article supporting portion in the lateral width direction is wider than the lateral width of the supported portion of the large transported article; and a small-article drive portion that moves each of the pair of small-article supporting portions between a small-article supporting position and a small-article retracted position, the small-article supporting position being a position at which an interval with an opposing small-article supporting portion in the lateral width direction is narrower than a lateral width of the supported portion of the small transported article, and the small-article retracted position being a position at which the interval with the opposing small-article supporting portion in the lateral width direction is wider than the lateral width of the supported portion of the small transported article and is narrower than the lateral width of the supported portion of the large transported article, the small-article retracted position is set at a height at which the pair of small-article supporting portions are located above the supported portion of the large transported article supported by the pair of large-article supporting portions, the pair of small-article supporting portions are provided between the pair of large-article supporting portions in the lateral width direction, and the pair of small-article supporting portions include a vertical placement region having a portion overlapping a vertical placement region of the pair of large-article supporting portions. |
