A single crystal pulling apparatus of the Czochralski method type wherein the cylindrical heater (5) is supported not only by the two exisiting electrodes (7) which are vertically shiftable but also by one or more vertical shafts (8), which may be electrodes or electrically insulated dummy electrodes; the vertical shafts are capable of shifting vertically in synchronism with the exisiting two electrodes, and are arranged in a manner such that the existing two electrodes and the vertical shafts are at regular intervals along the bottom circumference of the cylindrical heater. <IMAGE>
