| 摘要 |
PURPOSE:To make rigidity in a wall plate so high as well as to prevent it from vibrating, by locking a tip end of a support member to a linear symmetrical axis part in the wall plate. CONSTITUTION:Four air discharge pipes 31 are fitly attached to a flat front wall plate 33 of a distributing chamber 31 in almost horizontally straight line form in a state of linear symmetry making a center line an axis of symmetry. A support member 35 is solidly formed as one body in a state of being projected to almost the center of the rear wall 29. This support member 35 comes into contact with a linear symmetrical axis part in an inner wall surface of the front wall plate 33 at the tip end surface, and is locked by a screw 37. Therefore, rigidity in the front wall plate 33 is well raised up and it is hard to be vibrated. |
