| 摘要 |
PROBLEM TO BE SOLVED: To easily and precisely attach heat insulating materials arranged along outlet ports provided on the four sides of a decorative panel and preventing the transmission loss of driving force from being generated in connecting parts for connecting wind direction change plates pivotally supported on the outlet ports. SOLUTION: Protective covers 7 are provided with pressing pieces 7a for pressing both sides of heat insulating materials 13 and 14 opposed to a decorative panel 1. Holding means for holding the base end parts of joint shafts are provided. The heat insulating materials 13 are held between the pressing pieces 7a and the decorative panel 1 and the base end parts of the joint shafts are held by the holding means go that the base end parts are not freely separated from the bearing parts of bearing ribs. |
