Patent ID: 8592734

Claim:
An electric hob, comprising: a heater base having a cylindrical shape with an open top, the heater base comprising a first rim formed with a first heater hole and a first bottom surface, the heater base further comprising a hole provided in at least one of the first rim or the first bottom surface and located under the first heater hole; a tube heater disposed within the heater base, the tube heater comprising a tube and a filament disposed inside the tube, both ends the tube heater being inserted into the first heater hole; a reflector installed at an inner side of the heater base and configured to reflect heat generated from the tube heater, the reflector having a cylindrical shape such that an outer surface of the reflector faces an inner surface of the heater base and comprising a second rim formed with a second heater hole into which the both ends of the tube heater is inserted and a second bottom surface; a heater holder adapted to fix the tube to the heater base or the reflector, wherein the heater holder is configured to support the tube heater elastically, wherein the heater holder comprises: a holder body; a plurality of heater supporting parts disposed at both sides of the holder body to be coupled to the both ends of the tube heater; a fixing part configured to allow the holder body to be fixed at one side of the heater base, wherein the fixing part includes a first portion that extends from the holder body and a second portion bent from the first portion, at least one of the first or second portion having a coupling hole coupled to the hole by a member, wherein the first portion and the second portion are disposed between the outer surface of the reflector and the inner surface of the heater base, wherein the first portion is interposed between an inner surface of the first rim of the heater base and an outer surface of the second rim of the reflector, and wherein the second portion is interposed between an inner surface of the first bottom surface of the heater base and an outer surface of the second bottom surface of the reflector; a casing having an open top and configured to receive the heater base, the tube heater, the reflector, and the heater holder; and a top plate configured to cover the open top of the casing and on which food or a container containing food is placed to be heated by heat generated by the tube heater.