| 摘要 |
In a vehicle door mirror device ( 10 ), an outer side surface ( 20 B), with respect to a vehicle, of a projection ( 20 ) of a door mirror stay ( 16 ) is made to be flat. Further, an angle of the outer side surface ( 20 B) with respect to a front-rear direction of the vehicle, inward or outward with respect to the vehicle, is not more than 2 degrees. Therefore, wind arriving at the outer side surface ( 20 B) flows rearward with respect to the vehicle with fluctuation thereof being suppressed, and its flow is straightened. Furthermore, a radius of curvature of a corner portion ( 20 E) at an outer rear side, with respect to the vehicle, of the projection ( 20 ) is not more than 15 mm. Therefore, wind arriving at the outer side surface ( 20 B) of the projection ( 20 ) is suppressed from flowing along the corner portion ( 20 E), and its flow is straightened. Thus, wind noise performance of the door mirror stay ( 16 ) can be improved. In addition, wind drawn in by the door mirror stay ( 16 ) toward a mirror and toward a side window can be reduced, and impairment of visibility can be suppressed.
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