PURPOSE: To simplify the structure of the device by providing on an arm a pressor which presses the upper end of the side wall at the opposite side to the internal face or the external face of the side wall with which a supporter is engaged in the direction along the side wall and in the direction orthogonal with this this direction and causing a resistance force on the side wall.

CONSTITUTION: A supporter 24 is engaged with the internal face or external face of the side wall 1a of the body 1 to be transferred. Then a presser 26 holds the body 1 to be transferred, by pressing the side wall upper end 1d at the opposite side to the internal face or external face of the side wall 1a with which the supporter 24 is engaged. in the direction along the side wall 1a and the direction orthogonal therewith and a resistance force being caused on the side wall 1a.