Patent ID: 9441872
Filing Date: 2016-09-13
CPC Classification: E05B,E05C,E05D,E05Y,F25D

Claim Text:
1. A refrigerator comprising; a cabinet having a storage chamber; a main door having a front opening and configured to open or close the storage chamber; a sub-door having a front surface, a rear surface, and an edge surface, the sub-door configured to open or close the front opening; a handle groove recessed from the edge surface of the sub-door and configured to allow a user to pull the sub-door; a groove portion formed at one side of the handle groove; axial grooves formed at opposite sides of the handle groove; a lever member having pivot axial protrusions configured to engage with the axial grooves, the pivot axial protrusions protruding from first and second side surfaces of the lever member, and configured to pivot within the handle groove; a lever projected from the first side surface of the lever member at a position separated toward the groove portion from the pivot axial protrusion protruding from the first side surface of the lever member, the lever configured to rotate about the pivot axial protrusions, the lever and the pivot axial protrusion protruding from the first side surface of the lever member having longitudinal dimensions extending parallel to each other in a same direction from the first side surface of the lever member; a hook member having an extension portion which contacts the lever and a hook which is projected from a rear surface of the sub-door, the hook member configured to be rotated by the lever; an engagement groove provided on a front surface of the main door and configured to engage with the hook; and an elastic member disposed within the groove portion and configured to provide an elastic force to the hook member to be engaged in the engagement groove.