| 摘要 |
PURPOSE:To install a fan to a rotary shaft of a motor in a blower of an air conditioner. CONSTITUTION:A push nut 33A having a resilient pawl 33b formed around a circular nut hole 33a is insert moulded on the other side in a shaft direction of a D-shaped boss hole 31b of a boss part 31a, and the boss hole 31b of a fan 31 is inserted in the shaft direction from one side into a D-shaped cross sectional part 30b of a rotary shaft 30 of a motor to be engaged with it, thereby the resilient pawl 33b of the push nut 33A is automatically engaged with a ring-shaped groove 30a of the rotary shaft. |
