Apparatus and method of transferring article

An apparatus for of transferring an article, the apparatus comprising:

• a vehicle moving along a moving rail installed on a ceiling;
• a main body connected to the vehicle and providing an interior space in which an article is located;
• a hoist module provided in the main body, and for hoisting a belt by winding or unwinding the belt;
• a hand unit fixed at one end of the belt and for gripping the article;
• and
• a drop preventing member provided in the main body, and for preventing the article from dropping during moving of the vehicle;
• a first detection unit provided in the main body and for detecting an article;
• and
• a control unit for determining a type of article according to a detection signal of the first detection unit,
• wherein the drop preventing member includes:
• a plate positioned in a lower portion of the interior space by a driving unit;
• first support pins provided on the plate and supporting a first article;
• and
• second support pins provided on the plate, supporting a second article and a third article with a larger area than the first article, and having higher heights than the first support pins, and
• the first detection unit detects the article at a home position where the article waits for a period of time before the hoist module seats the article on the drop preventing member.