To keep one door closed while another door is opened and to open the doors with lighter force in double hinged doors provided with both supporting columns to seal the gap between both doors when closed.

Each supporting columns 21 and 22, that is rotatable to inward and outward sides, is attached to the inside of the edge parts of each doors 12 and 13 and pushed outward by springs. Latching parts 21e1 and 22 e1, that can be disengaged from latching parts 16c that protrude inward and that are arranged at an opening part of the cabinet body 11, are arranged at the edge parts of the upper and the lower end of the supporting column 21 and 22. When one door 12 is opened, the supporting column 22 of another door 13 is latched to the cabinet body 11 and the door 13 is prevented from opening. The supporting column 21 of the door 12 can be released from the cabinet body 11 easily and the door 12 can be opened by the light operating force.