JPH05238380

PURPOSE:To prevent collision between a plurality of carriers, running on a running track, by providing a carrier stopping means for stopping the carrier, which receives a photo signal when a preceding carrier is positioned on a corner track, on a linear running track in the vicinity of the inlet of the corner track. CONSTITUTION:When a light shield plate 63 arranged in the intermediate position of a corner track 1a is detected by means of a pair of position sensors 65 and 66, a carrier 23B is stopped approximately at the intermediate point of the corner track 1a. In this case, when the front position sensor 65 is turned ON but the rear position sensor 66 is not turned ON, the carrier 23B is caused to effect micromovement in a running direction until both position sensors 65 and 66 are turned ON, and inching control is carried out. Thus, when both position sensors 65 and 66 are turned ON, the carrier 23B is stopped at a set position and control of the stop of the carrier 23B is completed.