Upper and lower path switching device for traveling body for transportation

Abstract

The present invention easily improves the accuracy of connection level alignment between an elevating guide rail and a fixed side guide rail in a path switching device which switches vertically a traveling path of a conveyance carriage or the like via an elevating guide rail, and in an upper and lower path switching device for a traveling body for transportation, including an elevating guide rail supported horizontally by an elevating body, upper fixed guide rails to be connected to the elevating guide rail at a lifted position of the elevating body, and lower fixed guide rails which are connected to the elevating guide rail at a lowered position of the elevating body, the elevating guide rail is supported movably vertically in a predetermined range with respect to the elevating body, and receiving members for receiving the elevating guide rail at a level at which the elevating guide rail is connected to the lower fixed guide rails before the elevating body reaches a lower limit thereof are provided.

Dependencies are inferred from the claim text.