Patent ID: 7493776

Claim:
An icemaker for a refrigerator, comprising: an ice mold that receives water and is configured to freeze the water to form ice; an ejector pivotally installed on the ice mold and having an extension protrusion to eject the ice out of the ice mold; a motor that operates the ejector; and a heater comprising: a generally circular arc shape heater body having a constant curvature extending in a circumferential direction of the heater body, the heater body comprising metal and provided at a circumferential outer bottom surface of the ice mold, the heater body uniformly heating the ice mold to separate the ice from an inner surface of the ice mold, wherein the heater body has a generally uniform thickness in a radial direction of the heater body and heat is uniformly generated through generally an entire area of the heater body; and a heating coil that applies induced electromotive power to the heater body, thereby allowing the heater body to generate heat, and the heating coil comprising lines uniformly spaced throughout the entire circumferential direction of the heater body.