Patent ID: 8333446

Claim:
An apparatus for preventing leakage of cooling air in a refrigerator, comprising: a refrigerator main body having a storage chamber for storing food therein; a shelf for dividing the storage space and placing food thereon; an inner door for opening/closing an opened front face of the unit storage space divided by the shelf and preventing a leakage of cooling air; and a guide unit for guiding a horizontal-linear reciprocating motion of the inner door as it angularly rotates for opening/closing the opened front face of the unit storage space, wherein the guide unit comprises: guide members coupled to both sides of the shelf; and rollers rotatably coupled to both ends of the inner door and coupled to the guide members to move linearly along the guide members, wherein each guide member comprises: a plate portion in which a guide slot having a certain length is formed; a guide portion extending from one side of the plate portion and having its outer side surface formed as a guide surface; and a coupling portion respectively disposed at an end of the guide portion and the plate portion and fixed to the sides of the shelf, and wherein the coupling portion comprises: a plurality of fixing protrusions formed at an end of the guide portion and coupled to holes formed in the sides of the shelf; a plurality of bosses extending from another end of the plate portion so as to have a certain length; and screws coupling the bosses to the sides of the shelf.