Stocker system

A stocker system comprising a stocker adapted to store articles transported by an overhead transport vehicle having a grip that grips an upper part of an article from an upper side and a lift driver that raises and lowers the grip, runs in a track placed on a ceiling of a building, and puts down and places an article onto a load port of a device installed below the track,

• wherein the stocker is disposed above the device and includes:
• a plurality of shelves provided in multiple stages in an up-down direction, to place articles thereon;
• and
• a crane that places an article on the shelves or takes out an article placed on the shelves,
• a height of a lower end of the shelves is higher than a height of the device,
• a height of a lower end of the crane is higher than the height of the device,
• the shelves include:
• a carry-in/out port used for each of the overhead transport vehicle and the crane to place an article thereon;
• and
• storage shelves used for the crane to place an article thereon,
• the carry-in/out port is provided to have a vertical dimension that allows the grip to put down an article from above and place the article thereon,
• more storage shelves are provided than the carry-in/out port, the storage shelves being provided to have a vertical dimension smaller than the vertical dimension of the carry-in/out port,
• the crane includes a transfer device to place an article thereon and put down and place the article onto the carry-in/out port or the storage shelves, and
• the crane directly places an article placed on the carry-in/out port by the overhead transport vehicle onto the storage shelves or directly takes out an article placed on the storage shelves and places the article on the carry-in/out port.