Patent ID: 8403438

Claim:
A variable shelf comprising: a first partition shelf mounted to be pivotable about a rear end thereof; and a second partition shelf mounted to move relative to the first partition shelf, which enables the second partition shelf to protrude in front of the first partition shelf; a shelf frame having a pair of side frame parts supporting both sides of the first and second partition shelves, wherein the rear end of the first partition shelf is pivotably mounted on the shelf frame, the shelf frame guides the second partition shelf moving toward the front of the first partition shelf, and the side frame parts comprise an inclined portion formed at the front end thereof to guide the second partition shelf upward such that a top surface of the second partition shelf is substantially even with a top surface of the first partition shelf, wherein each of the side frame parts comprises: a first guide projection protruded inwardly from the side frame part to guide a rear end of the second partition shelf; and the second partition shelf comprises a second guide projection protruded downward from each side of the second partition shelf to guide the rear end of the second partition shelf upward through interaction with the first guide projection.