| 摘要 |
PROBLEM TO BE SOLVED: To effectively detachably fix a thick silencing material by providing a mounting hole at a casing near the material, holding the material integral with a support having a pawl to be inserted into the hole by a fixture, and mounting the fixture in the hole of the case to press to hold it. SOLUTION: Silencing materials 10 are provided on flat surfaces 1e and 1f of an inner air duct of a body casing 1, and a plurality of mounting holes 15 each having an insertion part and a slit part are provided at the casing 1 near the materials 10. A support having a pawl to be inserted into the hole 15 is integrated with the material 10, and the material 10 is held by a fixture 16 made of a holder. The fixture 16 is mounted in the hole 15 to press to hold it. Thus, the thick material 10 can be detachably effectively fixed safely and easily to eliminate a welding work. |
