| 摘要 |
PURPOSE:To facilitate mounting and dismounting of a fan motor by providing a hole through which the mounting screw of the fan motor removed, at the root portion of the fan. CONSTITUTION:A fan motor 6 is covered with the root portion 8 of the fan. A hole 11 is formed on a circle on which a fan motor mounting screw 10 is fitted. Even when the shaft of the fan 5 is rusted and is not extracted from a fan boss 9, the fan 5 and the fan motor 6 are formed integrally and are removed readily from a fan guard 6. Thus, the fan 5 can be removed from the fan motor at a wide position.
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