| 摘要 |
A motor 51 is attached on the bottom surface side of a motor base 52 with a pinion gear 54 and an output gear 55 housed in a gear housing portion 521 thereof, and an output shaft 553 of the output gear 55 is inserted through a side plate 25L of an air outlet and is coupled to a flap 30 while the output shaft 553 is supported by a bearing hole 526 formed on the bottom portion of the motor base 52, and by a burring hole 251 formed at the side plate 25L. Thereby simplifying the configuration of a flap driving means, reducing it in size, and controlling backlash of driving gears to smoothly drive the flap without rattling. <IMAGE> |
