| 摘要 |
A stacker crane includes a truck frame, a mast erected on the truck frame, and a platform raised and lowered along the mast, the platform including first and second rollers, the mast including a roller abutting member in which a first plate material is folded to define a first abutting surface onto which the first roller abuts and a second abutting surface onto which the second roller abuts, a back-side member made of a second plate material and arranged opposite to the roller abutting member, and a coupling member coupling the roller abutting member and the back-side member, the coupling member including first and second coupling surfaces which are plate-shaped and are opposite to each other, wherein the thickness of the first and second coupling surfaces is smaller than the thickness of the first plate material. |
