A loading member includes a receiving section that changes a posture thereof from a receiving posture where a loading material is received to a rising posture where the loading material is supported in a raised state; and a positioning section that is projected from a portion of a base end of the receiving section and then positions a lower end position of the loading material when the posture of the receiving section is changed to the rising posture; wherein the positioning section is provided with a loading assisting member assists the positioning of the loading material in a case of the receiving posture, while the front end of the loading assisting member rotates in a direction to approach a receiving surface of the loading material at the receiving section in a case of changing from the receiving posture to the rising posture.