Patent ID: 8882211

Claim:
A refrigerator comprising: a body; a storage compartment defined in the body; a door to open or close an open front of the storage compartment; a storage box having an inner space to store food; and a shelf having a support structure to support food thereon, and protrusion-receiving shelf portions respectively extending along edges of both sides of the support structure and protruding from the support structure, wherein the storage box has slide protrusions respectively formed on both outer side-faces of the storage box at a lower portion thereof, and each of the protrusion-receiving shelf portions has a slide groove to receive the corresponding slide protrusion of the storage box, so that the storage box is able to be slidably mounted on or dismounted from the protrusion-receiving shelf portions of the shelf, wherein, when the storage box is mounted on the protrusion-receiving shelf portions of the shelf, food is put in the inner space of the storage box, whereby when the storage box is dismounted from the shelf, food is put on the support structure of the shelf, wherein each of both side walls of the storage box has a first wall portion and a second wall portion disposed under the first wall portion with a bent portion formed there between so that the second wall portion is disposed at a more inner position in the storage box than the first wall portion, wherein each of the slide protrusions of the storage box is formed on the outer side-face of the second wall portion, wherein a roller is provided at the protrusion-receiving shelf portion of the shelf to support the slide protrusion, wherein each of the slide protrusions of the storage box comprises a first inclined portion to allow the storage box to move downward as the storage box is pushed into the storage compartment, a second inclined portion to allow the storage box to move downward as the storage box is pulled out of the storage compartment and to move upward as the storage box is pushed into the storage compartment, and a balance point separating the first inclined portion and the second inclined portion, the balance point being located at a position nearer a front of the storage box than a rear of the storage box, and wherein the first inclined portion inclines downward from the front side of the storage box to the rear side of the storage box, while the second inclined portion inclines upward from the front side of the storage box to the rear side of the storage box.