Importance

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Abstract

In a transport system, two drop prevention barriers and a drop prevention mechanism are provided along a periphery of a load port where a transported article has been placed. The drop prevention barriers and the drop prevention mechanism are arranged on three sides around the periphery of the load port and a remaining side is open along a first direction. The drop preventing mechanism includes a retaining member rotatably supported on a bracket. When a transported article moves along the first direction, the retaining member is pushed by a transport device such that it rotates from an initial position and retracts in an opposite direction from where a path is located. When the transported article has been loaded onto the load port, the retaining member returns to the initial position such that it is arranged slightly above the transported article.

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First Claim