| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a ceiling ventilation device capable of improving mounting efficiency inside a panel and whose maintenance work can easily and safely be performed. <P>SOLUTION: This ventilation device is provided with a ventilation cap 31 that covers a ventilation opening 21a provided on a ceiling portion of a panel body 11 and a ventilation cap mounting base 21 for mounting the ventilation cap 31 provided on the ceiling portion of the panel body 11 with a space provided for ventilation and operation. A ventilation filter 41 provided at the ventilation opening 21a of the ceiling portion of the panel body 11 is mounted on the ventilation cap mounting base 21 via a locking member 51 that can freely be engaged or disengaged. <P>COPYRIGHT: (C)2007,JPO&INPIT |
