Patent ID: 8186782

Claim:
A door apparatus for a refrigerator, comprising: a main door for opening/closing an interior of a refrigerator; a sub-door for opening/closing the interior of the refrigerator through a portion of the main door; a sub-door frame disposed on the main door for supporting the sub-door; a damper pressurizing unit disposed at the sub-door; and a damper positioned at the sub-door frame and pressurized by the damper pressurizing unit as the sub-door performs a pivotal movement so as to reduce an impact according to the pivotal movement of the sub-door, wherein the sub-door is pivoted centering around a hinge shaft by being coupled to the sub-door frame by a hinge, and the damper pressurizing unit is disposed below the sub-door centering around the hinge shaft, wherein the damper includes a damper body, an elastic member disposed inside the damper body, and a pressurized member elastically supported by the elastic member and pressurized by the damper pressurizing unit, wherein the damper pressurizing unit includes an inner-side damper pressurizing unit facing the interior of the refrigerator and a lower-side damper pressurizing unit extending from the inner-side damper pressurizing unit and facing downward when the sub-door is closed, wherein the damper is spaced from the sub-door when the sub-door is closed, and one end of the damper contacts the sub-door when the sub-door is opened, and wherein the damper is disposed at the sub-door frame while the pressurized member is vertically oriented in a downward direction.