Robot and working method by the robot

A working method by a robot, the robot comprising a first robotic arm having at a tip end a hand part according to a specific work to be performed to a box of which an upper surface is opened and in which one or more non-self-standing plate-shaped articles are accommodated and a second robotic arm having at a tip end a hand part according to an assisting work to assist the specific work, the method comprising:

• respectively contacting, by the second robotic arm, two L-shaped regulating members with an upper surface and a side surface of the non-self-standing plate-shaped article;
• performing, by the second robotic arm, the assisting work to regulate a movement of the non-self-standing plate-shaped article in a given direction in a horizontal plane and secure a given space in the box by respectively contacting the two L-shaped regulating members, for preventing that the non-self-standing plate-shaped article in the box spread in the given direction in the horizontal plane, with the upper surface and the side surface of the non-self-standing plate-shaped article;
• and
• performing, by the first robotic arm, the specific work of:
• (i) gripping the non-self-standing plate-shaped article, conveyed by a conveyor, with a grip device attached to the first robotic arm;
• (ii) positioning the grip device between the two regulating members when viewed from the side surface of the non-self-standing plate-shaped article whose movement in the given direction in the horizontal plane is being regulated by the two regulating members;
• and
• (iii) storing the non-self-standing plate-shaped article at a given position in the space inside the box.