Patent ID: 9476634
Filing Date: 2016-10-25
CPC Classification: E05D,F25D

Claim Text:
1. A refrigerator, comprising: a main body having a first storage compartment; a main door to open or close the first storage compartment, the main door having an opening, a first step and a second step provided on a first edge of the opening, and a third step provided on a second edge of the opening; a sub door to open and close the opening of the main door, the sub door having a plurality of steps provided at both side of the sub door, respectively; a sealant mounted on at least one of the first, second, and third steps of the main door or one of the plurality of steps of the sub door; a shaft receiving member mounted on the third step of the main door; and a sub hinge that connects the sub door to the main door, wherein the sub hinge includes: