US Patent 10113789 Refrigerator

According to an embodiment of the present invention, a refrigerator includes: a cabinet forming a storage space; a first door rotatably coupled to a front surface of the cabinet to open or close the storage space, and having an open portion formed therein; a second door rotatably connected to the first door at a front surface of the first door; a shelf rotatably mounted in the open portion; and a connection module provided in the first door and connected to a rotary shaft of the shelf to enable the shelf to be unfolded forward when the second door is opened and to stand to be folded when the second door is closed.