Abstract
To provide a transport robot 1 including a first hand including a chuck mechanism to clamp and hold an outer peripheral end portion of a workpiece, and a first movement mechanism to move the first hand to an advancing position where the workpiece contained in the cassette case can be held and to a retreating position farther from a cassette case than the advancing position, in which when a direction connecting the retreating position and the advancing position is defined as an X direction, a direction from the retreating position toward the advancing position is defined as an X1 direction, and a direction from the advancing position toward the retreating position is defined as an X2 direction, a chuck mechanism includes a chuck portion openable and closable vertically, and a movement mechanism to move the chuck portion into the X direction.