US Patent 9593880 Refrigerator

A refrigerator includes a first guide hole located at a first inner wall of a storage compartment, a second guide hole located at a second inner wall of the storage compartment, a first rotating bar that includes a first rotating shaft fitted in the first guide hole, and a second rotating bar that includes a second rotating shaft fitted in the second guide hole. A shelf is rotatably supported by the first rotating bar and the second rotating bar and is adjustable in height based on rotation of the first rotating bar and the second rotating bar. Also, the first guide hole has a first space that extends in a forward and rearward direction and that allows the first rotating shaft to slide and the second guide hole has a second space that extends in the forward and rearward direction and that allows the second rotating shaft to slide.