| 摘要 |
PURPOSE:To perform a smooth movement of a panel and to prevent a sound from being generated by a method wherein a main body is provided with an opening or closing device for opening or closing the panel and this opening or closing device is provided with a driving element and a sliding piece pivotally supported at an end part of the driving element and having a curved part. CONSTITUTION:A sliding piece 14 pivotally supported in a driving element 8 of an opening or closing device 7 is not fitted between suction grills 20 and 20 and smoothly slid at the suction grill, so that the movement is smoothly carried out and its sound is hardly generated. In addition, the rotation of the panel 1 is stopped when the curved part 17 strikes against the stopper 19 and the striking part 11 of the panel 1 strikes against the stopper 12 of the grill 3. |
