Patent ID: 8814287

Claim:
A refrigerator comprising: a main body which has an inner case defining a storage chamber and an outer case defining an external appearance thereof, an insulation material being foamed between the inner case and the outer case; a first shelf portion arranged at the storage chamber so as to be slidable in front and rear directions; a second shelf portion including a first shelf receiving portion to receive the first shelf portion, the second shelf portion being arranged at the storage chamber so as to be pivotable together with the first shelf portion received in the first shelf receiving portion; support portions which protrude into a storage chamber side from opposite sides of the inner case defining the storage chamber so as to support the first and second shelf portions; and stoppers provided at upper sides of the support portions, respectively, so as to prevent the first shelf portion from sliding forward, wherein: each of the support portions includes a support wall integrally formed with the inner case and the insulation material foamed in a foam space of the support wall, the support wall having an upper wall, a side wall, and a lower wall so as to form the foam space; a part of each support portion to support the first shelf portion is formed at a higher side than a part of the support portion to support the second shelf portion at a level corresponding to a thickness of the first shelf receiving portion so that a shelf surface of the first shelf portion is positioned on the same plane as a shelf surface of the second shelf portion in a state in which the first shelf portion is withdrawn from the first shelf receiving portion of the second shelf portion; each support portion is formed, at a rear side thereof, with a shaft receiving portion to receive a pivot shaft of the second shelf portion; the first shelf portion is formed with sliding prevention protrusions which laterally protrude to respectively interfere with the stoppers, wherein each stopper comprises a stopper wall portion formed at a lower side of the stopper to interfere with each sliding prevention protrusion, an allowance groove portion formed at an upper side of the stopper wall portion and recessed frontward so as to serve the allowance space in which the sliding prevention protrusion enable to move without interference when the first shelf portion is slightly lifted at the front end thereof to be withdrawn frontward, and a movement restriction portion formed above the allowance groove portion to define the allowance groove portion and to restrict movement of the first shelf portion.