Patent ID: 8653767

Claim:
A method for controlling a refrigerator, comprising: inputting an opening signal to open a selected door of a plurality of doors; rotating a driving motor to open a selected door; transferring power of the driving motor to a plurality of push members through a power transfer unit in order to move the plurality of push members guided by a plurality of moving guides; and opening the selected door by pushing the selected door of the plurality of doors by one of the plurality of push members, wherein each push member comprises a rack gear and the power transfer unit comprises at least one pinion gear engaged with the rack gear to transfer power of the driving motor to the rack gear, wherein at least one of the plurality of push members comprises a plurality of position confirming units that are spaced apart from each other and at least one of the plurality of moving guides comprises at least one sensing unit that senses one or more of the plurality of position confirming units, and wherein the power transfer unit comprises a worm gear that is connected to a rotating shaft of the driving motor and a plurality of pinion gears that are rotated based on rotation of the worm gear.