Patent ID: 8726686

Claim:
An ice-making device comprising: an ice-making housing mounted on a door, the ice-making housing comprising: a first side wall; a second side wall; a rear wall connecting the first side wall to the second side wall; a first hole provided on the first side wall; a second hole provided on the second side wall; a guide slot provided on the first side wall; and a water-overflowing preventing member mounted to the first and second side walls and having an extending plate provided between the first side wall and the second side wall, a fixing groove being provided on a bottom portion of the extending plate; and an ice tray comprising: an ice tray body having a plurality of ice-making grooves for making ice; a first shaft coupled to the first hole and a second shaft coupled to the second hole; a guide protrusion inserted in the guide slot for twisting the ice tray such that ice generated in the plurality of ice-making grooves are capable of being removed from the plurality of ice-making grooves; and an extending rib that is formed on a top portion of the ice tray, the extending rib being selectively inserted in the fixing groove of the extending plate; and an ice tray driving part provide at the second side wall and connected to the second shaft, wherein the water-overflowing preventing member is detachably mounted on the first and second side walls of ice-making housing, wherein the extending rib comprises a first portion provided on a corner of the ice tray and a second portion, a height of the first portion being greater than a height of the second portion, the first and second portions extending upwardly from the ice tray body, wherein the fixing groove comprises a first fixing groove in which the first portion is inserted and a second fixing groove in which the second portion is inserted, and wherein the first fixing groove is provided on a corner of the extending plate, the first fixing groove located higher than the second fixing groove.