Patent ID: 8740322

Claim:
A refrigerator comprising: a main body having a storage compartment divided into upper and lower regions by an intermediate partition, the main body including an inner shell defining the storage compartment and an outer shell spaced apart from the inner shell with a thermal-insulating material interposed between the inner and outer shell; a door to open or close the storage compartment; a first shelf removably mounted to a rear wall of the inner shell in a height adjustable manner; a second shelf horizontally aligned with the first shelf between the first shelf and a sidewall of the inner shell, and comprising a wire arm having a pair of rotating shafts pivotally coupled to be moved between a horizontally unfolded (lowered) position and a vertically folded (raised) position and rotating along an axis allowing the second shelf to expand a surface area of the first shelf when the wire arm is in the vertically folded (raised) position; and a sliding unit to move the second shelf forward or rearward relative to the storage compartment, wherein the sliding unit includes a sliding rail assembly slidably installed to the sidewall of the inner shell, and a rail cover coupled to the second shelf and configured to cover the sliding rail assembly to prevent exposure of the sliding rail assembly.