Patent ID: 11873199
Assignee: DAIFUKU CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B  H | IPC B

Claim 3:
4. The article transport facility according to claim 3,
wherein:
the gear racks are arranged in such a manner as to extend in a traveling path direction that is parallel with the traveling path,
tooth surfaces of the gear racks are arranged in such a manner as to face one side in a width direction orthogonal to the traveling path direction in a vertical view along an up-down direction,
the pinion gear is supported in such a manner as to rotate about an axis extending in the up-down direction,
the self-propelled cart further comprises a guide wheel supported in such a manner as to rotate about an axis extending in the up-down direction, and
the guide wheel is arranged in such a manner as to rotate along back surfaces of the gear racks, the back surfaces facing another side in the width direction.