Patent ID: 8371133

Claim:
An ice maker, comprising: An ice making container having a plurality of cavities configured to receive water to be frozen into ice by cold air supplied to the ice making container, and each cavity having a cross section in the shape of a half circle; A heater body provided at one side of the ice making container for selective generation of heat; and, A plurality of heating bars, each of said plurality of heating bars extending from the heater body into a respective cavity of the plurality of cavities by a predetermined length, Each of said plurality of heating bars comprising a supporting portion connected to the heater body, Each of said plurality of heating bars further comprising a bent portion extending from the supporting portion, wherein the shape of the bottom of each bent portion conforms to the shape of the bottom of the respective cavity into which the heating bar extends with a gap formed between each curved portion and the bottom surface of the respective cavity, the plurality of heating bars generating heat as the cold air is supplied to the ice making container so as to generate a temperature gradient in the water received in the ice making container during ice making.