| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a supply and exhaust ventilating port capable of easily adjusting ventilating amount. <P>SOLUTION: A grille main body plate 22 is formed on a ventilating portion 21 of a grille main body 21. Fan-shaped grille pieces 26A, 26B are protrusively provided on the grille main body plate 22. In an interior side of the grille main body plate 22, a first adjusting plate 38 is rotatably arranged, and first fan- shaped adjusting pieces 42A, 42B are protrusively provided. In an interior side of the first adjusting plate 38, a second adjusting plate 50 is rotatably arranged, and second fan-shaped adjusting pieces 54A, 54B are protrusively provided. In an interior side of the second adjusting plate 50, a third adjusting plate 62 is rotatably arranged, and third fan-shaped pieces 66A, 66B are protrusively provided. The third adjusting plate 62, the second adjusting plate 50, and the first adjusting plate 38 are pressed on the grille main body plate 22 by a coil spring 72. <P>COPYRIGHT: (C)2003,JPO |
