| 摘要 |
PROBLEM TO BE SOLVED: To prevent generation of large gap between a suction panel and a case by providing an engaging piece for engaging an opening of the case at one side of the panel and an engaging member at a side opposite to the one side, and providing a restriction member of a predetermined length whose one end is attached to the member side of the panel and whose the other end is attached to the case. SOLUTION: A tongue piece engaged with an opening of a case 11 is formed at a lower frame of a suction panel 13a, and an engaging member disengaged by an operation of an operating unit is provided at an upper frame. One end of a restricting member is screw clamped at a screw hole formed at an upper end of a guide rail. The restricting member is provided with fittings for clamping at both ends of a string, and the other end is screw clamped with a screw clamped part of the panel 13c. In the case of removing an air filter for cleaning, a gap S is generated at a restricted part of the restricting member to the case 11 at an upper frame side of the panel 13, and the filter can be drawn obliquely upward. This gap S is regulated by the length of the string of the restricting member. |
